from
WordNet (r) 3.0 (2006)
crackers
adj 1: informal or slang terms for mentally irregular; "it used
to drive my husband balmy" [syn: {balmy}, {barmy},
{bats}, {batty}, {bonkers}, {buggy}, {cracked},
{crackers}, {daft}, {dotty}, {fruity}, {haywire},
{kooky}, {kookie}, {loco}, {loony}, {loopy}, {nuts},
{nutty}, {round the bend}, {around the bend}, {wacky},
{whacky}]
from
The Collaborative International Dictionary of English v.0.48
crackers \crackers\ adj.
crazy. [informal or slang]
Syn: balmy, barmy, bats, batty, bonkers, buggy, cracked,
daft, dotty, fruity, haywire, kooky, kookie, loco,
loony, loopy, nuts, nutty, wacky.
[WordNet 1.5]