A playful insult (usually in 'Roseanne' style families) used when playing, teasing, and talking one into something.
Similar to when Shawn Spencer on 'Psych' says, "Gus, don't be a ..."
"Hey broski, lets go to a party tonight!"
"Nah, I wanna go to bed by 8pm."
"Oh, don't be a dead boner..!"