loonies
loo-nies
noun
People considered foolish, eccentric, or mentally unstable, often used in a derogatory way.
"Don't listen to those loonies, they're talking rubbish."
Thesaurus
Synonyms: fruity, kooky, balmy, nuts, buggy, loopy, bats, whacky, wacky, loony, barmy, around the bend