A term used to describe Dylan bebee, (a small penised, pre pubescent man child), when he tries to roast a straight male and you have to remind him of his place in the groups social hierarchy.
and you want to make it clear that it just sucks.
Typically used informally.
A:"Hey, let's buy these chips as well"
B:"Nah man, those ones are straight up ass"
A:"That bad?"
B:"Yeah man, I've tried them. Let's take these other ones instead"