Gutter

nasty; dirty; grimy; stinky; skanky; gross; disgusting; repulsive; embarrassing; illegal immigrant; something disturbing or unacceptable to society.

"So, I was eating my burrito and I decided I wasn't hungry anymore so I threw it in the trash. A couple hours later I decided I was still hungry and knew I put a burrito in the trash. I then picked it up out of the trash and ate it."
"Dude, that's gutter."

or

"I'm so horny I'm swamping" "Ew Laura, that's gutter."