I had a master yi carry me last night who typed like that.
He'd go in and grab a kill or three and run away and be like "SRY CHAMP OP" in chat. Everything was hyper and in capitals.
The other day I had someone on my team ruin a penta and apologize but I was ask like "a master yi penta isn't a real penta" .
Also I must have that green cait skin