YSK
You should know
Example
YSK that YSK stands for you should know
YSK definition by Slang.net
This page explains what the acronym "YSK" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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When you're discussing facts, feelings, and anecdotes, YSK stands for "you should know." This acronym precedes information someone else thinks is worth sharing.
For example, a friend who has set you up on a blind date may text you just before the date and say "YSK, Ryan had kind of a bad day at work. But he's still excited about tonight!" YSK is also commonly used on Twitter and Reddit, especially in the r/YSK subreddit.