Overflowing, typically in a non-literal, metaphorical sense. Origins lie in the inability to use real words at important occasions often experienced by artists and philosophers.
"I'm cheffing with relief that I am not you," he said.
by Samuel Wilkinson April 08, 2004
To chef. Cook. et cetera.
I was cheffing it up in the kitchen today!
by qufimaran June 12, 2007