In poker, a hand that needs a jack to improve.

when a girl sits down and her stomach's rolls look like a flat tire

Anything useless, pointless, or something making your job more complicated than it needs to be.

A chunk of terd left around the toilet bowl after flushing.

a term used to describe ganja that refuses to stay lit in the bowl; similar to a flat tire, the weed does not "roll" properly

The act of receiving a rim job while driving. Antonym: Road dome.

For pizza delivery drivers - when invited into a house for recreational activities, this is the code used to let their manager know they won't be back as soon as expected.