a wet weekend

US /ə wɛt ˈwiːkˌɛnd/
UK /ə wɛt ˈwiːkˌɛnd/
"a wet weekend" picture
1.

a dull, boring, or disappointing person or event

:
The party was a wet weekend, nobody had any fun.
He's such a wet weekend, always complaining and never smiling.