is saying a sarcastic gj

it's very unsportsmanlike to point out other people's mistakes. people have different definitions of toxic, but saying sarcastic "gj"s definitely decreases morale on your team.

Depends on the context. They just feed first blood? Toxic. They missed a smite and lost dragon/baron? Toxic.

I only say it sarcastically when it's to someone on the the other team. Like when 3 people dive just to kill me and they all end up dying to the tower, I say stuff like "gj" or "pro dives".

If it's someone on my team screwing up I say something less rude like "Was it really worth?" or "Maybe be a bit more careful".