Top definition
It means Suck My 40 inch Dick.
Guy1: No! The Steelers beat the Jets!
Guy2:AHAH! I told you! SM40inD!
by Bluechick2011 January 25, 2011
Get the SM40inD neck gaiter and mug.
May 3 Word of the Day
Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)
Monica: Oh yay! I made a new mutual today because we started following & talking to eachother on twitter and we like eachother (so it seems).
by qtheresurrection March 25, 2015
Get a Mutual mug for your father-in-law Georges.