Top Definition
The sound of a 20-foot rocket launching in an appreciably arid area, heard from about a mile away. It may be accompanied by a visible vapor trail that is either straight or shaped like a corkscrew; and it is considered to be exciting, regardless.
"What's it like to see it go up? It's 'chick-koom,' and it's gone," Judy Wallin said. "It is exciting."
area woman discussing Upham, New Mexico's future spaceport
by BillyJack June 16, 2009

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