Commonly known as washing only your "pits, tits, and slits" or "pits, tits, and naughty bits" in the bathroom sink. The idea is to save time. One might also take a whore bath when at another person's home whose shower is not available or sanitary.

quickly washing the crotch and underarms as a quick way to get ready for sex.

Quickly washing your privates under running bath water for a minute but not taking full bath or shower.

To wash up the stinkiest parts with a small washcloth and hot water in the sink - MAYBE a dash of soap, MAYBE.

More derrogatory synonym - German bath. Most commonly used by older Europeans, usually from countries invaded by Germany in WWII.

Whore Bath

When you wash just under your arms and privates in a bathroom sink, usually in a public bathroom. A quick bath that involves only washing your privates and under arms in a sink or with just a damp or wet wash cloth, can be done anywhere but usually in a bathroom standing by the sink or in a public restroom.

Comes from: Hookers in a truckstop after being with a "john" will take a "whore bath" before their next customer.

n. a whores bath comes from the Latin term cleanus whorus which means to cleans in between relations.
Most prostitutes who gave themselves a "whores bath" would wash only the area's of "interest" between relation sessions.

the act of cleansing your most intimate parts in 3 minutes or less. deoderant, cologne and sometimes Gel are used in a whore bath