A term that refer to one who is more manly than anybody or anything else. These people are often said to be "born of man" or "Mantastic" If you are ever graced by the presence of one who is Manborn you will know almost instantly due to your sudden urge to masturbate and uncontrollable orgasms.
Used in a sentence...
"Look at that Manborn hes so damn sexy!"
"Yea if i was a chick i would totally bang him"
or...
"Why do i have the sudden urge to shove this broom up inside me?"
"Thats because there is a Manborn over there"
"Why thank you for the information good sir"
"No problem, now you and the broom go have fun and i totally wont be watching from over there with these binoculars"
"Thanks mister!"
For a dude, the act of pulling out long hair that somehow ended up in your ass-crack, and the accompanying feeling that its actually coming out of your rectum. Usually some chicks long hair.
"You wouldn't believe the shanghai manpon i pulled out of my ass this morning, Brah! It felt like it was tied to my liver!"
Anything a guy uses, like toilet paper or anything like that, used to plug or cover your asshole to absorb things like mudbutt, anal leakage, and/or shart
Guy 1: What the fuck is that smell??
Guy 2: Oh that's my old manpon, I've been eating a bunch of spicy foods and haven't changed it for two days.
A paper towel like device inserted in the rectum of a gay man or a prisoner in order to stop the leakage of cum coming out of their butt-hole
Corrections Officer Schmidt removed a long piece of toilet paper from Inmate 015612's ass. Upon examining it, Office Schmidt didn't find shit but rather a white substance that resembled semen. When questioned about the toilet paper, Inmate 015612 said that it was a manpon.