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:
There are no example uses of ICYDK at this time. We would greatly appreciate your contribution if you would like to submit your own!
More slang terms:

IAMA
I Am Mildly Amused

LMAP
Leave Me Alone Please

FOSS
Free and Open Source Software

FUI
Fucked Up Individual