Any form of faggotry, public or private. Its Adam and Eve not Adam and Steve, which is the saying it was derived from.
Grady: Dude those guys over there are seriously Steveing.
Hayden: Yeah, look at those girls they are steveing too!
Grady: Well thats ok
Anyone who is in the direct possession of an STD.
"Dude, she's hott!"
"My dude, she's from Wilson, she's creepin'"