Gaptuous

To be generously proportioned or just a little bit fat. Ample, fleshy.

Also means very good, or very bad, such as to signify approval or disapproval, or nonchalance, or confusion.

In certain usages, a synonym for 'yes okay thank you'.

Short formed as 'VGI' (for Very Gaptuous Indeed)

1) "I had some steak frites today" "Oh how very gaptuous indeed"
2) "They pissed me off and I had to leave" "That was very VGI of them"