It is often part of a larger insult, such as kos omek or nik omek , which are highly offensive vulgarities directed at someone’s family.
The word tobrut (تبرت) comes from the Arabic root b-r-t , meaning "to crack" or "to smash." In Levantine dialect, the tu prefix is a second-person masculine past tense verb form ("you broke"). The structure is active, direct, and accusatory—not a passive wish, but a performed verbal act. Compare to tiksar omek (تكسر أمك), which is more common in Egyptian slang. The variant tobrut suggests a specific regional or sub-dialectal pronunciation, possibly from rural Jordanian, Syrian, or Bedouin-influenced speech. tobrut omek