It once was a combination of the words 'For' and 'Sure'. And while the word can still mean that, it can also apply to anything the speaker finds cool or sick or dope.
Yo Alex, I found the most fosh rock formation the other day, it was shaped like an eagle with a dragon in it's talons
u guys are such foshes!!!!!!!!!!!!
or
"ur hot!!!!!!!" "foshes!!!!!"
Past tense of fish.
I found a fish, I foshed it and then I left.
"FOSH" is a versatile slang term primarily used to call out falsehoods or absurd statements, often indicating disbelief or skepticism. For instance, if a friend claims they won the lottery, but you know they're exaggerating, you say, "FOSH" Similarly, if you spot someone whose ugly, you say, "That bitch is foshed," expressing disdain or disapproval.
Bro the girls at the party are FOSH asf or FOSHED
For sure. Instead of saying fo sho or fo'shizzle you combine it into one word and say fosh.
"Do you want chocolate chip cookies?" "Fosh!"