Top definition
Pro piping is what the UNIT clan of CoD calls it when useing the grenade launcher. Also refurred to by the elite few of UNIT clan as Laying Pipe
Keegan121610: Hey SarKIS11, guess what I'm going to do this game?
SarKIS11: what?
Keegan121610: I'm going to go pro piping on all these Noobs!
SarKIS11: Yes!! Lay Pipe big boy!!!!
by UNIT CLAN June 22, 2011
Happy St. Patties Day!
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