A canadian or french-canadian that masturbates in public. Kind of like a canadian hob knocker
George: Why do you call him a Hab Knocker ?
Joe: Because we caught him masturbating on the other side of a stand when we were at the mall.
George: ...
by LAXVIP May 18, 2011
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Huge tits that are large, but too big to be considered attractive.
randy:"dude that chick has huge tits"
brad:"yea, too bad they're slobbin knockers though."
by peanutbuttermansux June 23, 2016
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Another way to let frustrations out with out actually cursing
Eg: cut your finger and young children are in the room insted of screaming "shit "or fuck" or other vulguar curse word you simply scream fudge knockers
by mixed-kid March 29, 2011
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When your turtle head hits your underwear...
Man I have a poop knocker I better find a toilet soon. -or- Man this is the third poo knocker I've had this week, pretty soon I'll be out of underwear!
by ConfuciusSay February 04, 2015
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Graduate of one of the United States' military service academies, which operate as collegiate institutions.

Use of term is said to be especially prominent among graduates of the U.S. Naval Academy (Annapolis, Maryland).
Among U.S. military officers, they're known as "ring knockers" because they proudly wear the big, gold class rings they earned when they graduated from one of America's military academies. (TIME magazine, April 2001)
by al-in-chgo June 15, 2013
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Giant breasts on a WOMAN. Ones you can juggfuck. No silicone, large naturals if you know what I mean.
That female has some huge knockers that I would like to do things to.
by Steven Michael SykeS July 30, 2006
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