What does FIFO mean?

First In First Out

FIFO

Other definitions of FIFO:

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How to use the term FIFO:

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More slang terms:

IHTBS

IHTBS

It Has To Be Shown

PIMBY

PIMBY

Please In My Back Yard

80S

80S

The Eighties, 1980s

FLK

FLK

Funny Looking Kid