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Mostly Irish expression for: "stop being an idiot" or "act more maturely"... literally: "act more wisely". Typically said in a scolding manner.
1. "god you look soooooo hot in that tight top..." "Hey you know I have a boyfriend, wise up."

2. "Stop acting like such a clown, it's a sophisticated party and they aren't impressed so wise up."
by Mr. Zed September 10, 2006
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Jul 23 Word of the Day
A tourist to sub-orbital or orbital space, through commercial space flight programs.
Jeff Bezos and Richard Branson alongside their crew became the first astrotourists, while visiting sub-orbital space in July 2021
by AxonL July 20, 2021
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