when your done smoking weed and you have to dump your bowl so you hit the bowl on something to get the weed out. if you are a true stoner you would know the sound of a weed dump. try it you'll hear it everywhere.
brittany- shit we have to dump it.
kayla- okay.. so she hits it on the side of the car.
Brittany-fuckk they can here us...
Brittany and kayla- WEED DUMP