1. adjective. Informal. Based on or using intuition and experience rather than a plan or method. Performed without using instruments: a seat-of-the-pants landing of the aircraft.

2. Verb: using or relying on intuition and experience rather than instruments, technology, or a predetermined man

The pool of sweat that is left from someone being in a certain spot for a period of time

n. Usually in a Movie Theatre, the empty seat between two males; Used to proclaim heterosexuality in a situation that might give others a reason to think otherwise.

what according to women should be down all the time, like someone is lifting it up for men when they have to take a piss.

to "take a back seat" is to assume a non-participatory role on an issue or situation.

When an individual is swirling his/her arms and rocking his/her hips sideways to the music (particularly hip hop); but too lazy or drunk to pick his/her ass up and dance.
Most of these instances are sighted in bars, fraternities/sororities and in ricers and pimped rides.

When your bend your boner back so that you lightly tickle your butt hole.