1: When one does not quite understand a guy's deal
2: First used in Step Brothers by Derek's son while the family was eating dinner and Dale asked a question about Derek's story. Out of anger and confusion of Dale's stupid question the son muttered, "What's this guy's deal?", creating comedy legend.
3: Can be said in certain situations, such as: If a friend was doing something slightly vulgar and without purpose one might say, "What's this guy's deal?". Out of pure perplexion of that guy's deal. Commonly said to a group of people so perhaps one of them must understand.
Person 1: "Wow, Twilight was such a good movie. Full of inspiration of how the undead can still find love."
A question commonly asked of the ancient Egyptian god of knowledge, Thoth, also known as Θώθ by the Greeks, which has been simplified as OwO by modern internet dwellers for ease of use.
"0w0 What's this?" originates from a Reddit copypasta which I can't copy and paste it because I'm in fucking Middle School right now. Most people use it as a sexual joke by saying "*notices bulge* 0w0 What's this?" in there Roblox rp server, Discord, or whatever shitty social media you kids use today. I'm just an edgy 12 year old and I say it whenever I want.