(1)An ever-present, overly persistent and/or unwanted suitor or friend of a male. (2)A stalker.
man 1: Who's that fat chick that keeps hanging around you?
man 2: Some fucking cock barnacle that won't leave me alone.

man 3: Hey, man are we hanging tonight or what?
man 4: Relax dude! We aren't married. Why you gotta be such a damn cock barnacle?
by lanstopher March 05, 2009
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(N) an unattractive person at a bar or pub who is always there. When a customer approaches the bar it is unavoidable to get a drink without being attacked by this unattractive person.
Bro, this girl is always here at this bar. Does she live here?! Every time I try to get a drink I get attacked by that bar barnacle.
by JMEHL October 16, 2014
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When you frig a pig and you find sea creatures on your hog the next day.
Tiano checks for barnacle hog on the regular, maybe I should too. Dick's in the dirt.
by joeyfingaz April 23, 2019
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noun. A small particle of excrement missed by the wipee.
'I thought my underpants were wearing thin, then I discovered an infestation of bum barnacles'.
by Stretch October 03, 2003
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Weird growths, genital warts, skin tags, mulluscum, or other STD particles that occur with skin to skin contact usually pertaining to the areas not protected by a condom.
Even with protected sex it takes time for the barnacles to start to grow.

Chick: "You know that guy is packing hamburger meat with barnacles."

Chick 2: "He and his barnacles can keep their distance."
by sexylady111 September 27, 2012
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when someone is being a really big bitch and is scared to do something.
Hit this shit man!
nah man i dont like weed
Dude your a fucking ass barnacle
by sean mcguire October 23, 2005
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Chunks of fecal matter that stick to the side of the toilet after an explosive fart. This usually happens during the course of a massive dump.
What a dump! Those fart barnacles are never coming off!
by NoodleDoodler February 06, 2014
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