01.) to scam, cheat, try to pull the wool over someone's eyes
02.) a solid win over an opponent
03.) an obvious lie
01.) "Don't buttfuck me, bro."
02.) "That was a good buttfucking I gave those 7 year olds on the basketball court."
03.) Kenny: I just saw biggie smalls walking into the bank...
Stevie: No you didn't!
Kenny: Yes, I did...
Stevie: "Don't buttfuck me!"