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8.
The act of sexually gratifying yourself with a partner while said partner's head occupies the bowl of a toilet as said toilet is being flushed.
Oh man, last night after everyone left I got all Napoleonic with that Melinda chick and ended up giving her the waterloo.
by Zairian February 20, 2008
 
9.
A place where people go to the toilet. Also a train station in London.
I need the waterloo man!
by sfhugsugs August 24, 2006
 
10.
A place where slut balls have sex and smoke pot. There is nothing else to do but hang out at the "waterloo mall" (rural king) and get kicked out of McDonalds after getting out of the movies. Sometimes you even get kicked out of the movies if you are making out to much and they think you are going to the extremes ... or if you talk too much ... even if you dont talk at all just give one of the ushers a dirty look and you're outta there. Waterloo is also called "Waterhole" or "The Loo" which means toilet or bathroom in England. Well it actually makes sense because the place smells like shit from all of the farmers fertalizing their land. I am a citizen of Waterhole and let me tell you it sucks. Just don't ride the town bicycle she sucks .. or blows i dont know.
in the middle of nowhere
by <Me April 09, 2005
 
11.
The fucking gayest school in the land. Is located in Northeast Ohio. All the teachers are gay, and the principal is fat. Not to be confused with phat.
Dude, School is gay.

You must got to Waterloo.
by Mike March 27, 2005