2. to fuck a sexy female without her being a girlfriend
3. beat to death without a weapon (man-slaughter)
2. later on I'm going to take her to my house D.O. her
3. he got into a fight with his homie and straight D.Oed him
I'm gonna do Sharon tonight (have sexual intercourse with)
I'm gonna do his fucking car tonight (vandalise/steal)
In the case of due, because they pronounce it as do, they spell it the same way.