صاحبتي بتزجج المج بالجليز.

It is صاحبة plus the suffix -ي, so literally my female friend.

In Egyptian Arabic, صاحبتي can mean:

• my female friend
• my girlfriend

Context tells you which one is meant.

Because Arabic verbs already carry information about the subject.

Once you say صاحبتي, the verb form is enough. You could add هي for extra emphasis, but it is not required.

Yes. By itself, بتزجج can also mean you glaze when talking to one man.

In this sentence, the subject صاحبتي makes it clear that the meaning is she glazes.

In Egyptian Arabic, بـ is commonly used with the present tense in everyday speech.

So بتزجج is the normal present form, and it can mean:

• she glazes
• she is glazing

The exact English translation depends on context.

No. It is a different بـ.

Here, بـ is a preposition meaning with, using, or by means of.

So:

• بتزجج → the بـ is part of the present-tense verb form
• بالجليز → the بـ means with glaze

Because صاحبتي is feminine singular.

In Arabic, the verb agrees with the subject. In this sentence, the form بتـ... matches a feminine singular subject.

Compare:

• صاحبي بيزجج... = my male friend glazes...
• صاحبتي بتزجج... = my female friend glazes...

Because borrowed nouns can still take the definite article الـ in Egyptian Arabic, just like native Arabic nouns.

So:

• المج = the mug
• الجليز = the glaze

Also, Arabic often uses the in places where English might not. So بالجليز is literally with the glaze, but in natural English it may simply be with glaze.

They are loanwords used in Egyptian Arabic.

• مج comes from English mug
• جليز comes from English glaze

This is very common in spoken Egyptian Arabic. Loanwords are often written in Arabic letters and then treated like normal Arabic nouns.

In Egyptian Arabic, ج is usually pronounced like a hard g in go, not like the English j in jam.

So:

• مج sounds closer to mug / magg
• بتزجج also has hard g sounds

Also, the double consonant in تزجج is pronounced more strongly or for a slightly longer time than a single one.

Yes, it is very natural in Egyptian Arabic.

Everyday Egyptian often uses subject + verb + object order, especially in normal conversation. So starting with صاحبتي is completely natural.

It can mean either one.

In Egyptian Arabic, this present form often covers both:

• a habitual meaning: she glazes
• an action happening now: she is glazing

The surrounding context tells you which meaning is intended.