the art of performing a rusty trumpet while being extremely gullable. may result in a cut lip
michael: i was practising trumpet last night
vinny: you mean you were j-diddles?
machael: ... yes
by urgurg May 15, 2009
Top Definition
a cross between jack squat & diddly squat meaning nothing.
Friend: What you up to later?
Me: J-diddles, will pass through in a bit.
by Dash 5 March 07, 2007
Doing the "j-diddles" means a person is drooling over the sight of a huge man arse,
while at the same time emitting a high pitched drone that resembles the sound of hitting a baby with a bag of cats.
Jeff: Hey does it sound like someone is in the middle of a j-diddles ?
Vinny: Ya , theres a mouldy twat over there salivating at sumo wrestling diaper bloopers.
Jeff: Ahhhh flip it down ! thats mank !
by Longdong Von Hugenrod May 15, 2009

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