A person, male or female, who is situationally insensitive. Also known as, someone who does things that are inappropriate regarding the current situation. Many things wine baggers may do are considered party fouls.
"Matty is such a wine bagger, he pulled out his dick in my kitchen when my parents were around!"
slip of the tongue perhaps,
Those idiots who drive around in a ridiculously raised pick up truck, making a top heavy vehicle even more top heavy and unstable
A:*gah*
B: "Whats the matter"
A: This dam prickup is blinding me.
B: Stupid thing's, as if there lights weren't blinding enough as it is.