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1 (v.) the act of taking a huge dump (sometimes refered to as a "Mason slam").
2 (n.) a giant pile of feces.
1. Stop at the next gas station, I have to take a monster slam.
2. The monster slam clogged the bathroom toilet.
by Mason Bonar February 07, 2006
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2
hey 'paul' im going to slam that monster bitch over there. The monster ambles over to the monster bitch 'oi'm going to slam you' ( he says it in a strange 'irish monster accent') The female monster drops on all fours in a submissive gesture. 'Slam me' she says
'hey nigel' says paul, that is classic example of a monster slam
by Neil O'Malley July 12, 2006
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