U.F.O. 

unidentified ferari-lookin object

sir can u step out the vehicle. i just got a report of a U.F.O. flyin down the hutch.

U.F.O. by real talk May 4, 2005

U.F.O. 

Ugly Fucking Ogre, no definition needed

Dude 1: U.F.O. spotted
Dude 2: What a sight!

U.F.O. by salamip February 8, 2010

U.F.O

Unidentified Flying Ostrich

Omg look at that U.F.O I thought they were flightless!

U.F.O by Crilbus Bowlingfaggot October 13, 2019

U.F.O

1.Unidentified flying object. The term is used to when relating to "Alien ships" or "Flying saucers"

2.Can also be used to relate to actual unidentified flying objects such as an enemy aircraft. Although not knowing exactly what it is.

3. Term used by rednecks to define aliens.

1. Hey brandien! Lookie' wats' I foun'ded' Dun here in de' durt'! I dun founded me a yoo ef oh!

2. Mr president. There has been another sighting of a U.F.O Immediete action will take place.

U.F.O by Refoops December 28, 2005

U.F.O

An acronym for “Under Cover Five-O”

Tommy:”We gotta gun it a U.F.O on our ass”

U.F.O by BETOMAINE September 20, 2019

U.F.O

unidentified flying object.

spaceships , wierd looking things in the sky , its not a plane , its not a bird... its a u.f.o

U.F.O by sheldonsavio December 28, 2005

U.F.O

something you scream when you see a very hot guy. its a clever disguise(:

sami: omg! a u.f.o at 12 o' clock!
rachel: oh mahh dayummmm

U.F.O by mary-marie-ann July 21, 2009