Top Definition
Fucking Useless Piece Of Shit
The clerk behind the counter was such a fupos, he couldn't even make change for a twenty dollar bill.
by JannyGurl May 04, 2006

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
Fucked Up Piece Of Shit
Damm... Windows XP is a FUPOS!
by maximo_41 September 27, 2005

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
Acronym for "Fallacy Until Proven Otherwise." Often used immediately after an individual says something that is hard to believe or flat out absurd
Friend 1: Last night I was at a party and totally laid out this drunk guy

Friend: Yeah whatever that's a total Fupo dude
by Seebsknowsbest November 26, 2016

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
Fuck U Piss Off

(Fuck) (Fuck you) (Piss off)
Person 1: hey nice haircut

Person 2: fupo

Person 1: No need to get mad.
by Moosenator May 16, 2016

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
Fucking ugly piece of shit. Example: your dog, your mother, your 5th grade science teacher.
"Wow Bob ... you are just one FUPOS!"
"Your face is a FUPOS!"
"FUPOS fucker!"
"Rachelle, your car is a FUPOS!"
by Megroxorz January 20, 2008

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug