What does SSINF mean?

So stupid it's not funny



Other definitions of SSINF:

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How to use the term SSINF:

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More slang terms:

NADM

NADM

Never A Dull Moment

ILY2

ILY2

I Love You Too

HLBD

HLBD

Happy late birthday

IKALOPLT

IKALOPLT

I Know A Lot Of People Like That