What does YSI mean?

You Stupid Idiot

YSI

Other definitions of YSI:

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How to use the term
YSI:

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More slang terms:

BTWITIAILWY

BTWITIAILWY

By the way, I think I am in love with you

DLC

DLC

Downloadable Content

JDI

JDI

Just Do It

DTSL

DTSL

Don't talk so loud