To drop food on oneself while eating, particularly when the mess is visible to others.
Did you see that guy eating his dinner? He did a massive Willie Jack!
by MetalMayhem666 August 12, 2019
Get the Willie Jack mug.
Absolutely massive, destroys anything it touches, beware it's property of lish
Have you seen jacks willy what a silly willy
by Tom Norbert June 2, 2017
Get the jacks willy mug.