When a homeless person uses the sink of a strangers home to wash their ass using hand soap.

when your water access is broken due to shenanigins aka banging

SINK - stands for "Single Income No Children"

(similar to DINK)

A method of inhaling the contents of a bucket bong where, once the mouth has been placed over the end of the bottle, the bottle is pushed down into the water to compress the smoke and get a faster and easier hit.

In trouble with the police

An oval bowl usually made of porcelain to wash your hands. However some people tend to use it as a urinal and piss in it on a regular basis.

To bang a dude.