Definitions by Dave the bum head

hoomina boomina shroom 

weed, or high grade marajuana. often shortened to hoom.

wah gwarn! u got any hoomina boomina shroom?
yeah blood i got sum hoomina boomina shroom!
wel, lets smoke bare hoomina boomina shroom.

hoomina boomina shroom by Dave the bum head January 12, 2007