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1.
the irritation of the groin area due to prolonged running. Red, Itchy and just a complete bitch chaifing mainly occurs at football practice
I'm chaifing my dick off, and this coach is a real asshole.
by d-no April 18, 2007
 
2.
"Chaif", is a term that is usually replaced with "Shit".
I am unsure of why this is so.
"Chaif! That orange juice was wack!"
by Emiloooo September 03, 2005