What does FMS mean?

Fuck Me Sideways

FMS

Other definitions of FMS:

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How to use the term
FMS:

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More slang terms:

IDNKT

IDNKT

An acronym that stands for "I Did Not Know That".

E2EG

E2EG

ear to ear grin

FSCK

FSCK

File System (Consistency) Check

RIS

RIS

Received In Swap