tinkering (?.)

• coquetry
• dabbling
• dalliance
• dallying
• fiddling
• flirtation
• fooling
• fooling around
• idling
• jerking off
• kidding around
• loitering
• messing around
• monkeying
• monkeying around
• piddling
• playing
• playing around
• pottering
• puttering
• smattering
• toying
• trifling