To jack off or masterbate.  It origin comes from the vibrant red color the penile shaft takes on after a particularly vigorous rub-out session.
by Chicago Jeff October 4, 2006
 Get the Rub the Rhubarbmug.
Get the Rub the Rhubarbmug. by Boobmaster  January 16, 2022
 Get the Rhubarb and custardmug.
Get the Rhubarb and custardmug. #1: What are you wearing?
#2: Ehh... It's me fuckin'... Rhubarb custard
#1: What did umm... Rhubarb custard say about me in class today?
#2: Ehh... It's me fuckin'... Rhubarb custard
#1: What did umm... Rhubarb custard say about me in class today?
by n-deezy February 14, 2009
 Get the Rhubarb custardmug.
Get the Rhubarb custardmug. A form of pill popular in early 90s rave culture, where extacy was supplied in yellow and green capsules, named after a popular song at the time. see also Dennis the Menace
"Hey man, what you got"
"I got some Rhubarb and Custards, deck one of these and you will have eyes like dinner plates"
"I got some Rhubarb and Custards, deck one of these and you will have eyes like dinner plates"
by Jules W December 17, 2008
 Get the Rhubarb and Custardmug.
Get the Rhubarb and Custardmug. “The suggestion that there was any cake is total rhubarb. And by that, I mean completely, unequivocally true.”
by Joe the Joe Face January 27, 2022
 Get the Total Rhubarbmug.
Get the Total Rhubarbmug. Rub the rhubarb is southern suburbs of Melbourne, Australia, means basically "don't annoy me" or "don't piss me off$
by Wombatmtb April 16, 2022
 Get the rub the rhubarbmug.
Get the rub the rhubarbmug. Shootin the rhubarb, see you mate.
Comes from the common norn iron phrase "shootin the crow". Which means the same thing.
Comes from the common norn iron phrase "shootin the crow". Which means the same thing.
by Scoot_Ulster May 12, 2009
 Get the Shootin the rhubarbmug.
Get the Shootin the rhubarbmug.