2
The opening at the end of the penis. 2. When your best friend turns into a nagging fucking whining bitch, he/she becomes this. 3. A failed attempt at being human.
"Dude, I think my cocknostril is infected...

"Shut up man, you're turning into a cocknostril".

Person 1: "Hey look at that homeless bum!"

Person 2: "Yeah, that guy's a cocknostril."
by Ubersturmbannfuhrer Donitz February 19, 2010
Get the mug
Get a Cocknostril mug for your fish Jerry.
3
1) A nostril so big, a cock could literally fit inside of it.

2) Having intercourse with someone in a new and exciting orifice.
ex 1) Yo that girl had one hell of a Cock Nostril!

ex 2) Yo that was one hell of a Cock Nostril last night!
by Jenton and Shaiya November 05, 2004
Get the mug
Get a Cock Nostril mug for your brother Vivek.
4
Someone with nostrils so large you could slide your dick right up their nose.
man, have you seen keisha's cock nostrils?

yea! aw sick dude!
by Mr motherfucker January 28, 2017
Get the mug
Get a cock nostrils mug for your coworker Yasemin.