SHOP: The American Sign Language (ASL) sign for "shop / shopping"

To sign "shop" do a repeated version of the sign buy.  Use a smaller movement but do it twice. Start the right hand from a position behind and above the left hand. Then bring it forward and down so it brushes along the left palm and continues forward out in front of the left hand.

There is a version of "SHOPPING" that can also mean "STORE"

Sample sentence: I can't go shopping. My bank account will become negative.

If you wanted to convey the concept of "PHOTOSHOP" there are variations.

PHOTOSHOP (TAKE-PICTURE S-H-O-P)

PHOTOSHOP (PICTURE S-H-O-P)

Notes: 

See: BUY

See: PICTURE

See: MONEY