The result of inbreeding.

Children conceived from sexual acts between family members are considered runts.
"Jason, oh fuck me big brother! I want you to fill me up!"
"Yeah my lil bitch sis, Imma make you squeal! Fart out my lil runt from your maggottous sloppy fuckhole! I hope it is a redhead. Stick your toes in my mouth"
by Cake 2.0 February 12, 2008
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What starts as a rant ends up being very short and pathetic.
"Man I hate those guys so fucking much. "
"Why"
"Well they don't act politely.."
"Is that it?"
"Also they uh..yeah"
"Great runt, buddy"
by nerphed May 11, 2006
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A cluster of cunts in an oven roasting on a stick while rotating
I was at Jewel yesterday and I saw a runt and I bought a cunt.
by Gordono October 16, 2004
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A person of marginal intelligence who enjoys partaking in the exploration of upward concavities. Contrary to popular belief, runt muffins are usually obese, despite their limited diet of female genitalia.
Schmandie is such a runt muffin, did you see the way she looked at the cashier's nether regions?
by ritalinaddict September 24, 2009
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An unborn child still in the womb. Specifically used in a derogatory manner when denouncing being the father of the child.
That bitch is crazy! I don't care how many times she said we fucked! That cunt runt is not mine!
by NerdPope December 11, 2007
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Its when you get the punt of a new litter of cats or dogs and punt that little shit for no reason except the fact that you're better than it.
Friend one: Dude I just punt runted that runt
Friend two: Haha that shows him who's boss.
by RespectTheTruth July 9, 2018
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