gassy

/ˈɡæsi/adj
ElementaryNot in standard dictionaries
1

Having the nature of, or containing, gas.

2

Containing dissolved gas (usually carbon dioxide); fizzy.

3

Tending to burp; burpy.

4

Tending to release flatus; flatulent.

5

Tending to cause flatulence.

6

Tending to be long-winded or wordy, especially in a boastful and vain manner.

#informal