Any young or old car club member who has dropped their vehicle so close to the ground that no matter how slow they go over a speed bump the moment that the rear wheels hit asphault again the back end of the car slams down hard causing the driver side airbag to inflate and knock the driver out cold.
If that fool over their thinks he's getting over those big ole bumps in that scraping mess with out a spedunk puffer knucker of the year award coming his way tell me to stop dialing 911 now. Either way get his trophy out the trunk.
by Shawn Gabriel Archuleta May 18, 2008
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Something you beat people over the head with.
He used a dongy knucker to beat him senseless.
by droom August 18, 2010
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Look guys, there’s a knucker hole let’s see if zak & wheezy are home!
by Glizzysnblizzys September 6, 2022
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Look guys we found a knucker hole let’s see if zak & wheezy are home!
by Glizzysnblizzys September 6, 2022
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Someone who's pretty lame. Not cool.
Dude: "Hey who switched on me?"
Woman: "Oh, it was Oliver."
Dude: "Ugh, what a friggin' Jum Knucker."
by crayonpuff March 6, 2022
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a gorgeous word used to describe emma romans scrotum
dude, have you seen how fat, voluptuous, round, juicy, soft and stubble emma’s knuckers are?
by oozingogness March 13, 2022
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