2 definitions by TheMemeLord

When a male ejaculates into his hand and continues to throw it as fast as possible at their partners face.
Dude I was cumchucking with Sara last night!
by TheMemeLord February 16, 2016
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When someone is not on the grind at that particular moment.

Synonyms: Lacking, Sleepin
Boy you been caught shlackin, slap that MFin like button and it'll be alright.
by TheMemeLord February 17, 2018
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