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1.
Something that one says after getting his/her ass slapped.
If you get your ass slapped. Yell Thazmybum!
thazmybum pronounced thazzz-my-bum really fast.
Charlie "slap!!" (slaps daphne's bum)
daphne "ahh Thazmybum!!!! wtf"
by Ihop vs. De Dutch February 09, 2010