The Spongebob Squarepants fanatic's way of say "shit", as in you messed up, or "damn it".

when you've done something so cringe you can't stop replaying it in your head and it stops you from getting on with your every day life

1. A small marine organism with a shell that clings to rocks and ships.
2. A clinging or dependent person or thing
3. A large zit or scab
4. An exclimation used by Sponge Bob Square Pants meaning "shit" or "fuck"

A person who attaches themselves to any living being surrounding them as a form of comfort. Cuddling, spooning and snuggling are also correct terms. A barnacle latches on to anyone in sight and does not let go.

Some biomass on the ceiling with a tounge from the boarder worldxen When you touch said tounge it pulls you up into the "mouth" and eats you
it can be killed via any weapon in the game or physics object (exclusive to half life 2)
it also generated alot of por-
they also like do this creepy ass thing where they launch their tounges in a certurn direction.

The word used to describe a person whom waits until the very last second of a conference call to make their presence known

A slut or a person who has multiple sexual partners. Biologically speaking, a barnacle can mate with multiple partners at the same time through the use of tentacles.