When sharing a cigarette/joint/beer and one person is consuming and the other asks for their share; the one holding takes a longer than acceptable puff/drink and THEN passes it. Charitable in a self-serving way--a selfish bastard in other words.
by dynamite pop rocks April 27, 2011
Get the Runtmug. would generaly mean a spliff in literal form,tho could often be the abrieve of runtache,which covers prity much all forms of weed before the recting phase. see also,rect and rais.
"im gaspin man,i havnt had a runt all day". or, "yo,my dealers been busted. know anyone who can sort me some runt?"
by daVilse April 27, 2004
Get the runtmug. 
that girl is a runt. she is about 5'0"-5'4"
by kris hill clemons fujin February 13, 2005
Get the runtmug. A term describing the point at which a cigar, or blunt can no longer be smoked. This is past the "roach" phase.
Ex. 1
"Man, I smoked it down to the runt."
Ex. 2
homie 1: "Man what happened to pass the blunt?"
homie 2: "My bad man, you still want it?"
homie 3: "No. It ain't nothin but a runt left."
"Man, I smoked it down to the runt."
Ex. 2
homie 1: "Man what happened to pass the blunt?"
homie 2: "My bad man, you still want it?"
homie 3: "No. It ain't nothin but a runt left."
by Mr. Reality Music February 21, 2008
Get the runtmug. The penis that is always at the end of the line and ignored, just like a runt in the animal pack. This penis tends to be weaker, with a much smaller frame and head. He does not produce sperm.
Jonathon Hodgeson has a small dick, he has a runt
by Tim Johnson June 13, 2007
Get the Runtmug. by Mac November 1, 2003
Get the Runtsmug.