by Grandpajonny July 14, 2005

you bitch is making you really horny so you stick it in a forgot to put a cony on then you cum inside of her
by aaron May 13, 2005

by MyDaddyWillKillYou6980 March 19, 2016

The act of being in the 69 position and "checking the girl's oil" (insertion of finger into doodie hole). Then sniffing finger for purity. Checking anal viscosity.
The Bianchi Dipstick: That girl Jen looks pretty hot. I'm gonna give her a Bianchi Dipstick and check her 10w30.
by Pencil-Dick Jones April 28, 2011

When a guy sticks his dick into someone's ass and it comes out all covered in shit, like when you check the oil on an engine with a dipstick.
by jay-x April 24, 2008

Does this really need an explanation? It seems to be used primarily when lecherous drunks are sitting at a bar and a hot bitch walks in.
(Drunks talking in a bar as the hot bitch walks in)...
"Damn, Frank. Check out what just came in the door! Man.... How'd you like to get her lipstick on your dipstick?"
"Damn, Frank. Check out what just came in the door! Man.... How'd you like to get her lipstick on your dipstick?"
by Frank Klaune January 27, 2005

Lipstick on my Dipstick is the remnant of lipstick that a girl leaves on your raging hard-on after giving you a blowjob and throat-gasm.
by USAF Cadet October 26, 2020
