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3.
OPM
Optimal Pooping Moment; a poop that requires one wipe and you're clean.
Matt Prezioso got very excited when he got an OPM before going to temple because he was late for his mozza meal.
by john ellsworth March 10, 2010
18 19
 
1.
OPM
Other People's Money - what you need to get rich. From the adage, it takes money to make money, and to gain wealth you need a small fortune, which, while you may lack, someone out there is willing to invest it.
"The only way to get rich is through OPM"
by jonny ill June 07, 2007
151 58
 
2.
OPM
oma pullo mukaan, i.e. bring your own booze.

A Finnish expression that is used in an invitation. If service is limited to beer, cider and non-alcoholic beverages, the invitation may encourage people to bring their own alcoholic drinks with them.
Welcome to my house warming party on Saturday. OPM!
by Timellini May 26, 2008
63 58
 
4.
OPM
Official
Playstation
Magazine
I said I liked OPM, not opium...
by Lunar180 March 09, 2008
27 73
 
5.
opm
The drug Opium.
We smoked some opm today.
by RJ June 15, 2003
61 115
 
6.
opm
A band signed to Subnoise Records. They are a mix of Raggae,punk and rap. In my opinion not some of the better talent.
Dude, lets go the OPM show.
by fire rayn June 28, 2007
35 100
 
7.
opm
slang term for an Orange Poop Machine, a machine that poops out Oranges.
An orange tree
by Mike Truitt June 16, 2003
26 112