Used at a person who has a bowlcut, especially puffy bowlcuts

1. Computer industry term for a programming primadonna with no social skills.

2. One who prefers writing code and/or administrating servers from a dark closet, whom is only to be bothered when someone has shit to throw at them.

3. An asshat with technical prowess that makes them hard to fire.

Some majorly evil things. Work a lot with garden gnomes.
Watch out for them.

A mushroom is an enormous/fat human being with a head shaped slightly abnormal, and a hairstyle which seems to differ from others and resembles a particular type of fungus/mushroom,and their nose seems to be physically misplaced and gigantic.(sometimes it may seem slightly crooked)

A mushroom is guy who is unattractive overall without any redemptive qualities (such as good personality, charisma, sense of humor, smells good). They are just full of cringeworthy qualities such as:
Being painfully ugly
Lacking hygiene
Messy appearance
Typically shy
Arrogrant

If there is something good about him that makes him tolerable, then he is probably not a mushroom.

The female equivalent is a moth.

A mushroom is normally a girl (possibly a guy) with short hair shaped like a mushroom.

a poisonous fungi grown mostly in shit or on damp logs, that makes you get in touch with your holographic spirit, oh and you trip. the trip lasts for 4 to 8 hours. try some dutch shrooms. goddamn.