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1.
Hard Work Pays Off
It took Rick Ross years to get on top of the rap game. HWPO
by Zoukelas January 26, 2012
 
2.
"Hot Wet Pussy Operation." Describes a situation in which a male will willingly place his penis in an appropriate vessel, typically the vagina, and thrust accordingly. Also see hooking up, getting laid, beat da puss up, tap dat ass, broner, brojob, brohansebastianbach, bromance, brovaries, and fornication.

Naturally, the word "operation" was added to ensure that bros using the term would not feel a decline in masculinity upon completion of said task.
Dude, you get any action last night?
Affirmative, HWPO complete man!
by KTnSHNR July 15, 2010