A clingy person, this could be a friend, a girlfriend, boyfriend... they cling onto you and demand attention all the time as a barnacle clings to the bow of a ship.
Ew Tracey is such a barnacle, can we like, scrape her off...?
by wuhmanwonder March 13, 2018
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A spot of jizz on skin that dries and becomes crusty, just like a barnacle on a boat
I blew my load all over jenny's forehead, and now she has a barnacle on there
by hickdave19 November 3, 2009
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The barnacle is a sexual manouver where the male spurts his love juice over a woman's bare chest. The woman must let the goo dry forming the 'barnacles'.

The woman then dresses and spends the day proud in the knowledge that someone loves her enough to barnacle her.
"Why is Jill so happy?"
"Her husband gave her a barnacle this morning"
"Lucky bitch."
by Ramp-man November 6, 2009
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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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a reference to something that is attached to you for mutual reasons. Commonly used to replace the word penis.
Dylan has an incredibly huge barnacle and is totally awesome too!
by The Cyan Dart March 4, 2009
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The male version of a Stage 5 cling on. That dude that blows you up non-stop and attaches to you like a barnacle...much like a puppy.
Independent Chick 1: "Girl, that boy is thirsty, he keeps blowing me up."
Independent Chick 2: "Damn, another barnacle?!"
by Snow Bunny G February 2, 2015
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n: a person or group of people who will support the claims/do the biddings of their 'hull' (leader) whether or not he/she is right or his/her requests are reasonable.

Often seen in card game communities or the MMORPG arena. (I.E. Magic the Gathering or W.o.W.)
Ex. 1:

Fred the Hull: Hey barnacle - go get me a soda and then give me all of your rares!

Branden the Barnacle: Sure thing, Fred! You want my card sleeves too?

Ex. 2:

Fred the Hull: Hey, Branden - I need some water essences. Want to farm them for me?

Branden the Barnacle: Sure thing!

Fred the Hull: God, I love having barnacles.

by teh0memak3r October 18, 2006
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