mostly expressed by moaning sounds after taking a bite out of the certain meal
Martha: ( moaning like crazy ) oh my god this is so good!
george: eggs made you do that? i never made you do that!
Martha: you can't even give me an orgasm you expect to give me a Foodgasm ? dream on (continues munching on the eggs)
Tre': Sure. I would love some.
Jack: Hey whats up with Tre'? Hes yelling and rolling on the floor screaming out of sheer delight.
Steven: I think hes having a foodgasm.