UFO stands for unidentified flyung object or use of what people say aliens fly in.

You fuck off

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U.F.O. stands for: Unidentified. Flying. Object.

It's what all the phoney pics and such are all about, aliens, outer space, etc.

Unequivocally Fucked Over. Being so incredibly screwed that nothing will even compare to how screwed you are.

unidentified forces of surveillance

Unidentified Fucking Object, which means a designer dildo