One who forcibly inserts his or her penis the rectum of another person!
Hey, you throbber! Watch where you put that thing!

A: Let's play cops and throbbers!
B: NOOOOOO!
by The Charles October 29, 2003
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When a guy is comfortably reclining (on a bed, in a chaise lounge, or any other suitable seating device) with a raging throbber, and his lady-friend walks into the room, coyly strolls up to him and his veiny bastard, and acts as if she's about to sit on his dick, fulfilling his wildest sexual fantasies. HOWEVER, instead of gently lowering herself upon him, she takes a gigantic, steaming shit on his member, and triumphantly walks out. Thus, the man is left with blue balls covered in a pile of steaming, brown mess, and the woman emerges victorious.
Samantha saw her boyfriend make out with another girl at the bar, so when she and her boyfriend got home, she gave him a muddy throbber.
by manipulativebastard69 January 1, 2014
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I wanted to impress her, so I took out my man throbber, and she gasped . . . repeatedly.
by Smackdown Lane May 13, 2008
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A penis that is so errect that it turns purple and throbs.
I stuck my purple throbber in your mom's ass lastnight and she screamed like a sheep in a slaughter house.
by Mooncricket June 18, 2003
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A chick (or otherwise) who gives every guy that sees them a major boner.
Jenny is such a Knob Throbber, that hard-on didn't go away for hours.
by dickmonger March 3, 2009
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This is a Large Fry at the restaurant: Chick-Fil-A
I was feeling extra hungry so I ordered A Red Throbber to go with my Chick-Fil-A sandwich.
by TomFree87 June 19, 2018
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An extremely hard throbbing penis. See boner.
Man, I wanted to poke Emily with my painful raging throbber
by -=RUCKER=- April 6, 2004
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