Cram n' Scram

the act of stuffing ones face at a gathering which includes food (i.e. birthday party bbq, fam-jam)and leaving shortly there after.

I'll be going to my cousins house for his birthday luncheon, but i'll probably just Cram n' Scram when i get there.

or

So did people show up? Yeah but most of them just Cram n' Scrammed.