Noun: high-five- A gesture of greeting or elation; one person's upraised palm slaps the upraised palm of another person
"The team celebrated their victory with enthusiastic high-fives"
Verb: high-five- Perform a high-five with someone
"The teammates high-fived after scoring a goal"
Derived forms: high-fiving, high-fives, high-fived
Type of: gesture, motion
Encyclopedia: High-five