B) Person 1: "Hi, how are you?"
Person 2: "Yer mom!"
C) Person 1: "Hey, you poked a hole in my balloon! I hate you!"
Person 2: "I poked a hole in your mom last night."
Bob: yer mom sucks
Jorgé the muffin: whats up?
Bob: yer mom. what else.
Jorgé the muffin: hey you wanna go out?
Bob: yer mom wants to go out.
Bob: Yer mom's so stupid that she got run over by a parked car.
Bob: Yer mom's so fat, she needs a watch on both arms because she covers two time zones.
Bob: Yer mom's so slow it takes her two hours to watch the tv show 60 Minutes.