gassy

Short definition from Wiktionary

Adjective

1. 1
   Having the nature of, or containing, gas.
2. 2
   Having the nature of, or containing, gas: Containing dissolved gas (usually carbon dioxide); fizzy.
3. 3
   Having the nature of, or containing, gas: Tending to burp; burpy.
4. 4
   Having the nature of, or containing, gas: Tending to release flatus; flatulent.
5. 5
   Tending to cause flatulence.
6. 6
   Tending to be long-winded or wordy, especially in a boastful and vain manner.