Top Definition
When 3-6 guys do each other up the ass and the person at then end of the "train" makes twoot twwot noises.
DOOD1: Man yesterday those four guys were having a hump train!

DOOD2: SICK !?!

DOD1: I know
by OMG Scottish KID June 09, 2009
11 Words related to Hump Train

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×