When a male human being sneaks up behind another (male or female) and suddenly stabs his proud penis into his unsuspecting victims...

...."a drive-by dicking"
While I was having sexual intercourse with the babysitter, my wife snuck up behind me with a strap on and billy-dicked me.
by Wufpus August 26, 2018
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Invisible Billy from asdfmovie’s penis
Kid 1: Pretends to suck on an invisible dick
Kid 2: *laughs* suckin on dat invisible dick
Kid 3: It’s Invisible Billy’s Dick
Kid 2: *laughs even harder*
by weeby mcweeberton April 10, 2022
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A nickname for Cameron Armstrong given by the legend of their huge dick
Max: Big Dick Billy’s got a huge dick!!!
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Usually a prick named Billy who pretends he has a big dick, when it really is the size of a tic-tac. Can technically be anyone, but it just works better when they're named Billy, m'kay?
Aaron is such a big dick billy, I saw him trying to brag to Christina about his penis size, and I know it's actually tiny because he tried flirting with me by snapping me his dong.
by BillCosby=Senpai September 28, 2016
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Redneck terminology used throughout the old south; simile indicating one is extremely sexually aroused (i.e., other than eating, goats like nothing more than to fuck, therefore, a two-dicked billy goat would be beside himself wanting to fuck.) A common redneck pick-up line. Most common response to this redneck pick-up line? Me, too!
ooh-wee, look at that redhead yonder....she makes me hornier than a two-dicked billy goat!
by Rusty May 12, 2003
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