What does ICYDK mean?In Case You Didn't Know
Other definitions of ICYDK:
- in csae you didn't know
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How to use the term ICYDK:
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More slang terms:
Are you back
Not People Like Us
a reference to "ethanol" but commonly used among teenagers to refer to alcohol, especially cheap alcohol like grain alcohol; it is technically the chemical abbreviation for Ethyl alcohol.