Wifeopotamus
A hugely fat wife, whether it be because she's postpartum or just because she's fat.
John: "Damn dude, did you see that wifeopotamus?"
Nick: "Yeah dude she must've been a good four bills."
John: "She had her husband by a good 250."
Nick: "Yeah dude she must've been a good four bills."
John: "She had her husband by a good 250."