noun

A long curved fruit which grows in clusters and has soft pulpy flesh and yellow skin when ripe.

a bunch of bananas

adjective

Insane or extremely silly.

insane,mentally ill,certifiable,deranged,demented,of unsound mind,out of one’s mind,not in one’s right mind,sick in the head,not together,crazy,crazed,lunatic,non compos mentis,unbalanced,unhinged,unstable,disturbed,distracted,stark mad,manic,frenzied,raving,distraught,frantic,hysterical,delirious,psychotic,psychopathic,mad as a hatter,mad as a March hare,foaming at the mouth