(ប្រេីពូក) Literally translates to 'use mattress'.

Khmer slang for prone masturbation-- where a male masturbates by rubbing his dick on his bed.

Due to the abundance of body pillows in Khmer homes, most young boys bust their first nuts by Brer Puk, but sooner or later they switch to Brer Dai ('use hand'), or fapping.

A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.