When someone that shares the same faith as you but has absolutely no intention of helping you nor wants to get invloved with your personal problems. Also is a typical expression used by overly churched individuals who are incapable of giving a real heart to heart advice.
Isaac: Dude whats wrong Josh: Man my dog just got run over by a semi truck Isaac: Im sorry man but umm hey! Jesus loves you!
Josh: uh? thanks?
A time when it is so hot outside that even Jesus Christ would complain about the heat.
See also: Jesus Hot, Jesus Cold, Jesus Lot, Jesus Sweet, Jesus Late, and Jesus Early
It was so Jesus Hot outside that the entire world was on fire and the only (relativly) cool place was inside the oven with it set to 500 degrees CELCIUS!!!!!