Sack Mouth
When you suffocate someone using your nutsack. (Picture the way a small child looks when they put a plastic bag over their head and breath in.)
If that bitch/ screaming child doesn't shut up, I'm gonna give her/it sack mouth.
Sack in my mouth
word for "we're screwed."
*kids smoking joint.*
*teacher walks in.*
student: "oh, sack in my mouth!"
*teacher walks in.*
student: "oh, sack in my mouth!"