When you take five hits to get really high. Another form is when you want to ask someone discretely if they wanna get really high.
Person 1: Wanna High Five?

Person 2: Sure
by JD M. January 28, 2021
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An expression you use when you see someone you know down at the shops. This expression was founded in Knoxfield by a local legend, Aaron, who often gets ridiculed for owning the expression.
Random guy at shops: ‘Hey mate’.
Aaron: ‘High five, show me you’re alive’.
Random guy at shops meekly offers hand: ‘Yeah ok
by Andos Hastos October 07, 2021
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a move involving two couples having sex at the same time and in the same room, ideally. After round one, the men get up to go to the other bed; they meet at the midpoint of these two ladies beds, high five, and shout 'Switch'. then the sex continues for round two with a new partner. repeat as needed.
Ashley: 'after this we should high five and switch!'

Chad: 'I think i tired Ashley out to much for round 2.'

Brad: 'ooOO' '............alright alright I'm ready lets go.'

Chad: high five! (smack)

Brad and Chad: 'SWITCH'
by dirtydiana666 April 11, 2011
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Sleeping with five different partners in a single day, without their knowledge of eachother.
Hey bro, how were your dates yesterday? Awesome, I joined the High Five Club!
by Braveshoe July 29, 2014
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A "High-Five Fucker" refers to a nazi or neo-nazi. Specifically the nazi salute, as reaching out for a high-five resembles the over-the-head salute.
"Yo what is he wearing?"
"A swastika armband, of course it won't let be John that High-Five fucker."
by Hotterthanawitchestitty September 07, 2021
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