si2 fat1 laa3屎窟罅

Jyutpingsi2 fat1 laa3
Yalesí fāt la

Definition

Buttcrack; the cleft between the buttocks.

colloquialbodyvulgar

How it's used

This term is highly colloquial and carries a blunt, slightly crude tone. It is used in informal settings among friends or family, but should be avoided in professional or polite company as it is considered vulgar. The word specifically refers to the anatomical crevice rather than the buttocks themselves.

Examples

Have you been sitting until your buttcrack hurts?

Common phrases

buttcrack is itchy

Common mistake

Learners often mistakenly use this word in formal contexts where a more neutral term like 臀部 would be appropriate. Avoid using it to describe the buttocks generally, as it specifically targets the crack.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector