As sharp as a bowling ballBy Jamie Archer / Similessynonyms: brainless, dense, dull, idiotic, slow, sluggish, thickhat tip: Mr SquirrelTags: Bowling Funny Sarcastic SharpMore similes for FunnyAs useless as a broken condomAs horny as a Roman sandalAs sure as you’re bornUncomfortable as a vegan at a barbecueAs subtle as a flying malletUgly as a mud fenceSee all "Funny" similes →