It means your mums pussy is open. It is an Arabic slang word.
Kos Omak Maftooha.
(means your mom's pussy is open)
by bizzbaz October 26, 2017
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Example 1:

Amr Noshy: GOAAAALLL ez goal men el out

Mohammed el Kasaby: BAS YA KOS OMAK MSH MA7SOOBA

Example 2:
Saif Hani: El ketab dah a7oto fein

Ibrahim Amr: A2olak bas mateza3lsh

Anas Amer: FEH KOSOMAK YA IBRAHIM
by omen omak December 27, 2022
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it means that your mother's ass or vagina has no hair which means she is not mature, has another meaning which has something to do with being sterile, not giving birth.
Expect being fucked if u tell a word like this to an arab :)
Omak ar3a yad ya teez.

Kos omak ar3a.
by zizo June 8, 2007
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It is the arabic word for "yours moms vagina"
"kis" mening vagina
"Omak" Meaning your moms
Arab #1: Hey, I saw your mom last night
Arab #2: Kis omak
by GUBGUB123 March 14, 2017
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Arabic for who is your mother, it is an insult to show that someone has no family figure
by FastyX September 28, 2021
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