Definitions by Neil O'Malley

monster mash 

When a collection of monsters have a party and spend the evening dancing with no regard for others

oh my god Nigel, the monsters next door are having a monster mash again they will keep us up all night again.
Can you go around and have a word with the chief monster 'Paul' and ask him not to make them strange ape noises again

monster mash by Neil O'Malley July 12, 2006

monster slam 

when two monsters procreate.

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

monster slam by Neil O'Malley July 12, 2006