A person - especially male - who is beyond their teen/college years in age yet still has the mindset and interests of a teenager, but who must pass themselves off as a mature, responsible person in order to fit into society.
The reason weed and boobs have the most slang terms for them is because the people who mostly come up with slang terms are teenage boys and closet teens.
a person who is ashamed of accepting the fact that they do pick their noses.
Natalie: Do you pick your nose?
Asian: no..
Natalie: YOU LIAR!
Asian: ???
Natalie: CLOSET PICKER!
A dom, usually one which, as the name suggests, is in the closet. They are usually inexperienced with sex.
This is unlike a under-dom, as the closet dom does not want to believe they are a dom, or they want to be a sub, but in reality they cannot help themselves from their inner dom. Not to say they are particularly dominant in secret, but that they are in the end the dominant one.
Vel: "I bet Karl is a closet dom; he wants to be a sub, but he's really a dom.
Someone who follows the path of all things right and just. But with an inner desire to cause mayhem, destruction or to believe in heretical beings/ideologies with said desire occasionally coming to the surface.
Connor is such a Closet Heretic, he always chooses chaos while preaching about justice.
a term used to describe a person of the LGBTQ+ community who has not told anyone of his/her sexual orientation
Mike post "stop being in the closet & just come out. It's okay to do so now."
Someone who's LGBTQQIA+ but hasn't come out yet
James was in the closet for ten years after realising that he was a trans man.
A person hiding there sexuality
guy: hey wanna make out?
other guy: ...
guy: ... but not like in a gay way man
other guy: ... :(
other guy: but I wanted to in a gay way :C...
guy: *blushing* woahh man chill...
other guy: wow your that much in the closet?
guy: ...