The act of pulling the foreskin back exposing the head of the penis.
Yo Timmy. I can't find dickhead.

Yo john you gotta rack the shotgun.

Oh there it is. Thanks
by WayneTrain82 December 08, 2017
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Something that makes a certain human laugh until they are about to have a seizure
The rainbow rack

KSBPSNAPEHEODNALDO
by ElLa SJKW November 27, 2020
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Extremely attractive female who has a decidedly noticeable lack of cleavage.
"Dude Ashley's hot!" "She okay... She would be so much hotter if she didn't have that Slack Rack!"
by Harry James-Parker September 24, 2014
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The act of putting ones hands on the sides of a girls breasts and quickly snapping them together.
Josh wishes he could snap rack Melissa more often, but sadly, her breasts are too small.
by Sprankelz February 28, 2008
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a stage beyond which it is impossible for one to advance.
Poor guy, he has reached the last rack of his life.
by uttam maharjan May 14, 2010
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