To be in the process of being a chef;cook or clean
The boys were chefin while cooking the steaks
by Josh Ayers and Zach Johnson December 15, 2008
1 more definition
To Do Chef like stuff, like cooking fresh meals from scratch, without actually being a qualified chef.
That is the other reason I like my Chefin cause I can cook really tasty food, healthy!
by dg83 July 15, 2011