Top definition
A term used by Nickelodeon's retro-show, "Rugrats" character, Grandpa Lou.

This phrase also could mean: What in tarnation?!?!?!?
Grandpa Lou- Jumpin' Jehosafats! Who stole my teeth?!?!?!?
by HornGod April 08, 2009
Get the mug
Get a Jumpin' Jehosafats mug for your girlfriend Julia.