count somebody/something out phrasal verb ( see also ↑ count )
1 . to not include someone or something in an activity:
I’m sorry, you’ll have to count me out tonight.
2 . to decide that someone or something is not important or worth considering:
I wouldn’t count him out. If anybody can make a comeback, he can.
3 . count something ↔ out to put things down one by one as you count them:
The teller counted out ten $50 bills.