1. Another name for the male reproductive organ

2. Something you put around a doorjamb to create a seal
Bitch get down on your hands and knee's and suck my caulk.
by Rosedale Technician January 05, 2012
Get a Caulk mug for your friend Julia.
The act of ejaculating in a woman (or man's) ass.
I'm taking that bitch home tonight, I think I need to Caulk the toilet!
by LaineyB October 19, 2009
Get a Caulk the toilet mug for your papa Günter.
masturbating in the bathroom while your roommates are out and are unsure of when they'll return; IE, maturbating while home alone.
Pun on the word "caulking" (pronounced "call-king"), the rubbery silicone sealant around tubs and sinks.
roommate: What the hell were you doing in the bathroom when I got home? You were in there for a while.
deviant: Oh just Macaulay Caulking the bathtub tiles... you didn't leave a note so I didn't know when you'd be home.
roomate: gross
by Donkeyfly July 12, 2013
Get a Macaulay Caulking mug for your dog Abdul.
Those chicks at the gym were fucking HOT! I gotta go straight home and caulk the tub after that workout!
by Sheik Yerbuti January 27, 2007
Get the caulk the tub neck gaiter and mug.
A titty fuck finishing on fake boobs.
Candy doesn't like me playing with her boobs since she got a boob job. But, she always enjoys a good silicone caulking.
by L&AW November 17, 2008
Get the silicone caulking neck gaiter and mug.