The definition of paint the town red is:
(verb) to celebrate in a crazy or wild way
A: Why do you look so terrible?
B: I went out last night and painted the town red. I went to the bar, two nightclubs and a stripclub.
B: It was my birthday.
We’re going to paint the town red tonight, because I’m turning 30 years old!
Trevor got a new job so we’re painting the town red tonight!
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