Oh man, want to feel like a little boy that's going to die? Do some beltless front squats.
Front Squat
495x10
495x10
495x10
495x10
RDL
495x10
495x10
495x10
Death March
3 rounds to failure
OH MY GOD WHY ARE THESE A THING
Ab Wheels
10 reps
10 reps
10 reps