all wet
US /ɔl wɛt/
UK /ɔl wɛt/

1.
salah sama sekali, keliru sepenuhnya
completely wrong or mistaken about something
:
•
If you think I'm going to agree with that plan, you're all wet.
Jika anda fikir saya akan bersetuju dengan rancangan itu, anda salah sama sekali.
•
His predictions about the election turned out to be all wet.
Ramalannya tentang pilihan raya ternyata salah sama sekali.