bats-in-the-belfry
noun (functioning as singular)
a hairy Eurasian campanulaceous plant, Campanula trachelium, with bell-shaped blue-purple flowers
adjective
slang
mad; demented
Words nearby bats-in-the-belfry
batophobia,
batrachian,
batrachotoxin,
bats,
bats in one's belfry, have,
bats-in-the-belfry,
bats-wing coral-tree,
batshit,
batsman,
batt,
batt.