Hell-if-i-know (my grandma's favorite joke)
The electrician knows where the ground is.
It isn't known, never tried.
A polar bear.
Bell-bottoms!
from jumpin' outta palm trees, duh
He has a big E on his pajamas.
Hell if I know.
Hell if I know
Hubby : "My boss said go to hell!"
The ability to tell a person to go to hell in such a way that they look forward to the trip.