Half crack

A medical anomaly when someone's crack only extends halfway up his or her butt.

Omg, Emily! Turn around and look in the mirror. You've got a half crack!

by BooVeAYYE July 24, 2016

half cracked

condition where a person is not yet drunk, but still under the influence of alcohol.

Friend was half cracked while at the beach, glazing at the sun

by naughtylilfetus June 6, 2018

Half back crack

An extremely unnaturally long ass crack

Look at her half back crack.

by Sallysaidso January 16, 2009