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The Day after easter when everyone who has given up sex or jacken it for lent gives into their carnal urges and has a lot of fun all by themselves
DudeBro 1 "Dude..Bro why weren't you at work Monday."

DudeBro 2 "Dude it was Cum Monday, I was reintroducing my right hand.... to myself"

DudeBro 1 "WEEEERD Brah I forgot about Cum Monday"

DudeBro 2 "Better get to work we only have 15 minutes left on our lunch break."
by Sean Bradley June 06, 2007

Words related to Cum Monday

christianity easter first smacks jacken jesus lent