15 Minutes:
10 Deficit Pushups (do ring pushups, use dumbbells/kettlebells/parallettes)
8 Double Kettlebell/Dumbbell Deadlifts
30 Double Unders

-Go as heavy as you can with the kettlebells/dumbbells. If nothing heavy is available, use a barbell, and a weight that you can do all sets of 8 unbroken with.