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2.
During a break up ceremony you cum on a girl's forehead and stick feathers to it.
Last night I Apache Chiefed my girlfriend. We are no longer together.
by Red Buffalo February 29, 2012
 
1.
Leaving in secret without telling your companions.
Knowing he had another party to attend, Brett slipped quietly out the back door. His friends soon realized he'd gone Apache Chief.
by CaffeineBlog October 10, 2005