Idiom: Have A GasCheck definitions of...haveagasMeaningsHave a good time.Example Sentences1Let's go out and have a gas tonight.2I always have a gas when I hang out with my friends.3We're planning to have a gas at the amusement park this weekend.A-Z Proximitieshave a bone to pickhave a brick in one's hathave a fable forhave a face like the back end of a bushave a fit have a gas have a gohave a good onehave a good timehave a hand inhave a handle onSimilar Idiomshave a gascooking with gashit the gasout of gasSimilar Phrasesair gasblow gasblowing gasbottled gascarbon monoxide gascarbonic acid gascoal gascs gasgas giantcn gascompressed gasgas bombgas bracketgas burnergas gungas lampgas pumpgas chambergas companygas constant