a gesture of greeting, good-fellowship, or triumph in which one person slaps the upraised palm of the hand against that of another.
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Related Words for high fiveletter, nod, ovation, salute, reception, hello, card, attend, acknowledge, receive, stop, hail, accost, embrace, address, meet, approach, salutation, blow, respects
a gesture of greeting or congratulation in which two people slap raised right palms together
to greet or congratulate (a person) in this way
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
originally U.S. basketball slang, 1980 as a noun, 1981 as a verb, though the greeting itself seems to be older (e.g. Dick Shawn in "The Producers," 1968). In reference to the five fingers of the hand.
Online Etymology Dictionary, © 2010 Douglas Harper