GASSY
colicky, flatulent, gassy
(adjective) suffering from excessive gas in the alimentary canal
gassy
(adjective) resembling gas
Source: WordNet® 3.1
Etymology
Adjective
gassy (comparative gassier, superlative gassiest)
Having the nature of, or containing, gas.
Synonyms: gaseous, gasiferous (one sense), gaslike
(specifically) Of a beverage: containing dissolved gas (usually carbon dioxide); fizzy.
Synonyms: bubbly, carbonated (if the gas is carbon dioxide), effervescent, sparkling, Thesaurus:effervescent
Antonyms: flat, noncarbonated, uncarbonated (if the gas is carbon dioxide), ungassy, Thesaurus:noneffervescent
(specifically) Of a person: tending to burp; burpy.
(specifically) Of a person: tending to release flatus; flatulent.
Synonym: farty
Of food or drink: tending to cause flatulence.
Synonym: farty
(figuratively, informal) Tending to be long-winded or wordy, especially in a boastful and vain manner.
Synonym: Thesaurus:verbose
Antonym: Thesaurus:taciturn
Source: Wiktionary
Gas"sy, a.
Definition: Full of gas; like gas. Hence: [Colloq.] Inflated; full of
boastful or insincere talk.
Source: Webster’s Unabridged Dictionary 1913 Edition