Oil Check: act of sticking a finger up someone's butt hole, through clothes, usually during pictures or other public events.

When one wrestler stick his finger(s) in his opponents butt to gain a positional advantage.

To put out your middle and index finger out and shove them up some one's ass.

An act whereby an individual inserts his finger or penis into the asshole of another. Much like an oil check on a car, the appendage can then be examined to determine whether or not the contents are clean or dirty.

similar to the ass ram or the butt fuck, it involves invading your partners asshole like a dipstick on a car's oil gauge

to stick a finger in someones ass.

the act of poking someone in th butt, clothed or naked. The pokwe must be as close to the asshole as possible