اي، بدي كاسة مي من التلاجة.

Yes. اي, often also written إي, is the everyday Levantine way to say yes or yeah.

It is not the same in style as نعم:

• إي / اي = natural spoken Levantine
• نعم = formal, MSA, much less common in casual conversation

So in normal speech, إي sounds much more natural.

A good rough pronunciation is:

ee, biddi kaaset mayy men et-tallāje

A few notes:

• بدي is usually pronounced biddi, though some speakers sound closer to beddi or baddi
• كاسة مي is often pronounced kaaset mayy in connected speech
• من التلاجة often sounds like men et-tallāje or mn et-tallāje
• Because ت is a sun letter, ال is absorbed, so you hear et-t..., not el-t...

بدي is the common Levantine way to say I want.

It comes from بدّ plus a pronoun ending:

• بدي = I want
• بدك = you want
• بده = he wants
• بدها = she wants
• بدنا = we want

It does not behave exactly like a simple MSA verb such as أريد. In Levantine, this بدّ pattern is the normal everyday way to express wanting.

Both represent the same word. The version بدّي shows the doubled د more clearly with a shadda.

So:

• بدّي = more phonetic/explicit spelling
• بدي = very common casual spelling

In speech, it is usually pronounced with a doubled d sound: biddi.

Arabic usually does not use a separate word for of in phrases like this. Instead, it uses a structure called iḍāfa.

So:

• كاسة مي = literally glass water
• natural English meaning = a glass of water

This is extremely common in Arabic. The first noun and the second noun are simply put together.

Because in Levantine, a word ending in ـة often changes in pronunciation when it is followed by another noun in an iḍāfa construction.

So:

• alone: كاسة → often pronounced kaase
• before another noun: كاسة مي → often pronounced kaaset mayy

This is very normal and useful to get used to. The spelling usually stays the same, but the pronunciation changes in connected speech.

Because مي is the everyday spoken Levantine word for water.

Compare:

• مي = colloquial, natural in speech
• ماء = MSA/formal

A learner who knows MSA often expects ماء, but in daily Levantine conversation, مي is what you will hear much more often.

You may also see مية as a spelling variant for the same spoken word.

من التلاجة means from the fridge or out of the fridge.

Here, it most naturally describes the water:

• a glass of water from the fridge

In real conversation, that usually implies cold water from the fridge, not water from somewhere else.

الثلاجة is the MSA/formal form, while التلاجة reflects common Levantine pronunciation.

What changed?

• MSA ث often becomes ت in everyday Levantine speech
• the final ـة is pronounced more like -e
• the article ال before ت assimilates in pronunciation

So:

• formal: الثلاجة
• spoken Levantine: التلاجة, often pronounced et-tallāje

You may also see spellings like تلّاجة to show the doubled l more clearly.

Because ت is a sun letter. In Arabic, when ال comes before a sun letter, the l sound assimilates to the next consonant.

So:

• written: التلاجة
• pronounced: et-tallāje or it-tallāje

You do not usually hear a clear l sound there.

Yes. اي is optional.

• اي، بدي كاسة مي من التلاجة = Yeah/yes, I want a glass of water from the fridge
• بدي كاسة مي من التلاجة = I want a glass of water from the fridge

If the sentence is answering a question, اي makes perfect sense. If you are just making the request on its own, many speakers would simply start with بدي.

It is natural and common in casual speech, especially with family or friends, but it is fairly direct.

If you want to sound softer or more polite, you can add something like:

• لو سمحت = please, if addressing a man
• لو سمحتي = please, if addressing a woman
• ممكن = possible / could I have...

For example:

• لو سمحت، بدي كاسة مي من التلاجة
• ممكن كاسة مي من التلاجة؟

So the original sentence is not wrong at all, but politeness can be increased depending on context.

No. كاسة is a very common Levantine word for a drinking glass or cup in everyday speech.

You might also know:

• كوب = cup/mug, also widely understood
• كأس = more formal or literary

In spoken Levantine, كاسة مي sounds very natural.

Yes, but بدي كاسة مي من التلاجة is the most neutral and natural order.

If you change the order, you may change the focus:

• بدي كاسة مي من التلاجة = neutral
• من التلاجة بدي كاسة مي = puts more emphasis on from the fridge
• بدي من التلاجة كاسة مي = possible, but less neutral

For a learner, the original order is the best one to copy first.