No Shat Sherlock

*also no shit sherlock
An insult to a person, (usually on the internet). When you call someone this, you are implying that this person is stating something really obvious and so obvious that you're technically calling them stupid.

Obvious Person on the internet: Omg this person is a fikin woman!!
replier 1: no shat sherlock bro
replier 2: grandpa did you lose your glasses again
replier 3: no shit sherlock *skull emoji*
replier 4: *replies to replied 2* lmaooo looks like he did

hey after you read this you probably feel like the word "replier" doesnt feel like a word anymore.
happy recovering ;