Yahu, bu dedikodu iyice abartı oldu.

Yahu is an informal exclamation. It can express annoyance, surprise, impatience, or emphasis, depending on tone.

In this sentence, it feels something like:

• Come on
• For goodness’ sake
• Man
• Seriously

It is very conversational and not something you would usually use in formal writing.

Bu dedikodu means this gossip or this whole gossip business.

A few points:

• bu = this
• dedikodu = gossip

In Turkish, dedikodu can refer not only to a specific piece of gossip, but also to gossiping, rumors, or all this gossip in a broader sense. So here it probably means something like:

• this gossip
• these rumors
• all this gossiping

depending on context.

Because Turkish often uses the singular form where English might use a plural or a broader collective expression.

So dedikodu can function a bit like a mass or collective idea:

• bu dedikodu = this gossip / all this gossip / this rumor business

If the speaker wanted to emphasize separate individual rumors, they might use dedikodular (gossips/rumors), but bu dedikodu sounds very natural for talking about the general situation.

İyice is an adverb. In this sentence it means something like:

• really
• thoroughly
• completely
• by now, to an excessive degree

So iyice abartı oldu means the gossip has gone beyond normal limits and has become really exaggerated or too much.

In everyday speech, iyice often strengthens the statement:

• iyice yoruldum = I got really tired
• iş iyice karıştı = things got really messy

So here it adds the sense of this has now gotten seriously out of hand.

Abartı is normally a noun meaning:

• exaggeration
• overstatement

But in sentences like this, Turkish often uses a noun as the predicate with olmak (to become / to be).

So:

• abartı oldu literally = it became an exaggeration
• natural English = it became too much / it got exaggerated / this is over the top now

So grammatically it is a noun, but the whole expression functions like an English adjective-type idea.

Good question. These two forms are related, but they are not exactly the same in tone.

• abartıldı = it was exaggerated
• abartı oldu = it became exaggeration / it turned into something exaggerated / it got out of hand

Abartı oldu sounds more idiomatic and conversational here. It focuses on the resulting state: the whole thing has now become excessive.

By contrast, abartıldı focuses more directly on the action done by someone:

• Bu konu abartıldı. = This topic was exaggerated.

So in your sentence, abartı oldu feels more like:

• This has really become too much.

Oldu is the past tense of olmak, which means to be, to become, or to happen, depending on context.

Here it means became:

• abartı oldu = became exaggerated / became too much

Turkish often uses olmak in this kind of structure:

• sorun oldu = it became a problem
• komik oldu = it became funny / turned out funny
• fazla oldu = it was too much

So oldu is marking the change into that state.

Because Turkish normally puts the main verb or predicate at the end.

So:

• Yahu, bu dedikodu iyice abartı oldu.

has the natural Turkish order:

• interjection + topic/subject + adverb + predicate

A rough literal order would be:

• Yahu, this gossip thoroughly exaggeration became.

That sounds strange in English, but it is normal in Turkish.

It is definitely informal.

Reasons:

• yahu is very conversational
• abartı oldu has a spoken, natural, everyday feel
• the whole sentence sounds like something someone says in a casual conversation

It could sound mildly annoyed, exasperated, or critical.

You would not normally use this exact tone in formal writing or in a very official setting.

Yes, effectively bu dedikodu is the thing being talked about, so it functions like the subject/topic.

There is no special case ending on dedikodu here, which is normal for a subject in Turkish.

So the basic structure is:

• Yahu = interjection
• bu dedikodu = subject/topic
• iyice = adverb
• abartı oldu = predicate

Yes. Even if the meaning is already known, it is useful to see that the Turkish allows several natural English renderings, such as:

• Come on, this gossip has really gotten out of hand.
• Seriously, this gossip has become too much.
• Man, this gossip is getting way exaggerated.
• This whole gossip thing has really been blown out of proportion.

That is because yahu, iyice, and abartı oldu all carry tone and nuance that do not map to just one fixed English sentence.

Yes. It sounds very natural and idiomatic in spoken Turkish.

A learner might try to interpret it word by word:

• iyice = thoroughly
• abartı = exaggeration
• oldu = became

But the real meaning is more like:

• it really got exaggerated
• it became way too much
• it went overboard

So it is best to understand the whole chunk iyice abartı oldu as a natural spoken way to say something has become excessive.

Yes. The sentence would still be grammatical without it:

• Bu dedikodu iyice abartı oldu.

Removing yahu just makes it less emotional. With yahu, the speaker sounds more expressive, more annoyed, or more emphatic.

So:

• Bu dedikodu iyice abartı oldu. = neutral complaint
• Yahu, bu dedikodu iyice abartı oldu. = stronger, more conversational complaint