1 definition by WakaFlockaFlame9559889
The act of taking a hit of weed then going under water and blowing out all the smoke. The bubbles will then pop at the surface of the water and smoke will come out resembeling a steamboat.
Randy: Bill you'll never believe what happened last night at Joey's house.
Bill: What the hell happened man?
Randy: We were all in the hot tub smoking some white widow and i looked over at waka and he was doing the mother fucking steamboat.
Bill: What the hell happened man?
Randy: We were all in the hot tub smoking some white widow and i looked over at waka and he was doing the mother fucking steamboat.
by WakaFlockaFlame9559889 March 11, 2010