A rhubarb is what you get when you go to a massage parlor that gives happy endings. The rhubarb part is the sexual part, the handjob after the massage.
Dude, I went to the Chinese place and got a rhubarb, it was off the hook. Really? I like going to the Russians for a good rhubarb.
by Joe L January 11, 2004
Get the rhubarbmug.