Throbbing Knob

Erect penis. See also boner and cock

"My wife loves my throbbing knob!...but she hates it when I call it that."

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cunt throb

A really good looking guy. See also cockthrob.

Johnny Depp is such a cunt throb.

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Throbbing Cock

The most famous definition on the Urban Dicktionary

I want to look up throbbing cock on the UD because i have a small wank

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purple throb

when all of the blood inside a partially erect penis flows to the tip, enlarging it to unconventional proportions, turning it purple, while throbbing to your pulse; while the rest of the penis, see shaft, stays normal size

"bro what the fuck! my tips turning purple, and i think its gonna blow!"
"shit guys, we got a purple throb"

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love throb

penis, cock, the male sex organ, wang, can be used for reproduction or masterbation.

"you have a gigantor love throb"

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Throbbing Stonker

A massive erect penis so engorged with blood it throbs.

Jane: My god thats a beast!!

Frank: Throbbing Stonker!!

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Throb Knob

When it hurts to get an erection after to much sex or mastirbation.

After John fucked Sally 12 times in one night he had a severe case of throb knob.

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