1 definition by Hossdaddy70
(Noun) The big pump is the guy who's the life of the party who can usually be found grilling steaks, drinking a 12 pack, building a fire, or ordering a round of whiskey for the boys.
Ex; The big pump is almost done grilling.
Ex; The big pump is almost done grilling.
by Hossdaddy70 June 16, 2015