i really wanted to go to prom with grant, but stan had already asked me, so i had to cho chang it with grant
(v) to refuse an invitation to a formal event because of a prior engagement, but state your interest and proceed to passionately hookup with the offerer in a magical setting
"i really wanted to go to prom with grant, but stan had already asked me, so i had to cho chang it with grant" What is the definition of "cho chang"?