fadwingle
It's like a fancy word that covers up all the bad stuff you're doing. Mostly cheating and butt stuff.
'I'm just doing a fadwingle,' he said, while sneaking a sandwich into his pants.
'She's got a fadwingle going on with the mailman,' he whispered to his friend.
The teacher asked what he was doing, and he said, 'I'm doing a fadwingle.'