"Baby fist pumps," Deener captioned the Instagram clip above, which finds the one-month-old sweetly moving his petite paw in the air.
CJ may not be ready to hit Karma (give him a good 18-plus years), but the "little Buck" is practicing from the comforts of his swinging chair. Pauly D commented on the upload with "Ayeeeeeee" -- which surely means the JS uncle approves of the tiny tot's technique!
Next stop: Gym tan laundry! Stay with MTV News for Jersey Shore updates -- sweet CJ stories included.