A slam-dunk hit is a smash hit.
The film 'Avatar' was a slam-dunk hit.
by uttam maharjan August 29, 2010
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a cock slam dunk is when you jump into your significant other with force.
hey me and my girlfriend got to my house and it got pretty crazy i gave her a cock slam dunk
by artcandle36 September 25, 2007
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Someone is laying down and begins to push out a shit. As soon as the poop begins to crown you take your dick and jam the shit back into their ass.
Jenny started to shit so i took my cock and Sloppy Slam Dunked it back inside of her.
by Lil Rizz March 25, 2011
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The act of leaping across a a table while playing beer pong to "slam" the ping pong ball into the cup often resulting in persoanal injury, damaged tables, and a lack of self respect.
Damn dude, did you see him make that beer pong slam dunk, what a fuckin tard.
by Matt-R May 23, 2008
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Otherwise known as a "chrimp-an-heave"

This term defines the phenomena when a chrimp is receiving a blow job, he shuts in his hands and flings it on top of the head of the one giving said blow job, as if scoring a slam dunk in basketball.

This phenomenon does however come with risks such a the action of flinging Shit may cause tennis elbow in the randy chrimp, or at times the Shit can be an irritant to the skin on top of the head one the one giving said blow job.
Why hasn't the zookeeper giving that chrimp his fucking full slam dunk blumpkin yet!!
by Arkyboy19 August 21, 2018
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Bootsy: "Yo, I can't believe she cheated with that dude!"
Stinky Pete: "Sucks man, she straight slam dunked on your love!"
Nuk Nuk: "Yeah that was like a Dr. J windmill slam dunk on your love!"
by Winks! December 3, 2010
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