Often had by foodies or very stoned people, it's the incredibly satisfying feeling you get immediately following the first bite of something that tastes really good. Could be steak. Could be Cheez Whiz. It is exactly the epicurian delight you needed at that particular time.

This is what occurs when you are eating a particularly enticing food. You get so excited to eat it you practically orgasm, thus resulting in a foodgasm. Some instances of this may include:
1. Becoming weak in the knees
2. Eyes rolling back in head and moaning while possibly shouting "this is so fucking good!!"
3. Taste so overwhelming you have to take breaks between bites to keep from shutting your system down.

the euphoric sensation upon tasting amazingly delicious food.

(n) an event occuring upon the consumption of some incredibly tasty food. Usually contains many random vocal noises including, but not limited to: moans, sighs, screams of joy, etc.
also, random facial expressions may be included.

The awkward moment your hungry, and you see food. You go to the food and make sounds when you eat the food cause its good. Almost like a food boner

Foodgasm: Defines the process by which a person has extreme pleasure while eating something delicious, followed by moaning sounds while the person bites into it and chews.

a foodgasm is an orgasm of flavors received by a delicious meal
mostly expressed by moaning sounds after taking a bite out of the certain meal