a word of unknow origin. its definition is not entirely clear, as the word fonsht is in itself rather fonsht. it describes behavior that is vague or unexpected
1. A hoagie from WaWa or any other hoagie making place that includes all possible ingriedients all at the same time (i.e. An Italian Hoagie with mayonaise, tartar sauce, horse radish, lettuce, tomatoes, pickles, onions, ketchup, salt, pepper, etc. etc.)
2. A person who is a fucking monster, for being slovenly dressed or hobo-looking in his dress. (Also See Fonstress for the female version).
One of the best RNG players to ever live in gta online. Future FaZe member, but they don't know bout him yet. Joe Biden is afraid to 1v1 him RNG. His female character is the hottest and needs to make an onlyfans and his male character got the drip like no other
1. A slovelnly dressed man. Often mistake for a homeless man. It is the combination of "fucking" and "monster". Fonster = Fucking Monster.
1. Also known as a sandwhich that consist of all available condiments.
1. Man, did you see that guy Dave? He was wearing busted timberland boots, dirty jeans, a tight polo shirt, and he had pubes growing off his chin...what a fonster!
2. That is quite a fonster sandwhich you got there...mayonaise, lettuce, tomatoes, ketchup, pepper, salt, vinegar, ham, cheese, pickles, onions, and relish.