Answer: uptop

AnswerCrossword Clue
UPTOP

"High-five, dude"

UPTOP

"That merits a high five!"

UPTOP

On the crown

UPTOP
At the highest spot
UPTOP
At a high level
UPTOPWords said when requesting a high-five
UPTOPWords spoken before a high-five
UPTOPIn the brain, to a Brit
UPTOPOn the highest shelf
UPTOPAt the peak
UPTOPWhere the crow's-nest is.
UPTOPIn the crow's nest.
UPTOPHigh.
UPTOPOn the summit.
UPTOPHaving a good vantage point
UPTOPSlangy request for a high-five
UPTOPOn the observation deck, say
UPTOPHigh-five request
UPTOPHaving a good view
UPTOPRequest for a high-five