off the wall
[ ˌɒf ðə ˈwɔːl ]
• eccentric or unconventional.
• "a zany, wacky, off-the-wall weirdo"
Similar:
eccentric,
zany,
far out,
freakish,
quirky,
idiosyncratic,
unconventional,
unorthodox,
weird,
outlandish,
offbeat,
off-centre,
bizarre,
strange,
unfamiliar,
outré,
way-out,
wacky,
freaky,
kooky,
screwy,
kinky,
oddball,
cranky,
in left field,
• angry.
• "the president was off the wall about the article"