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2.
A slang term for an erect penis.
Thinking about my girlfriend gives me a bone-on.
by Joey Schwartzman November 16, 2005
 
1.
A slang word for "erection"
"dude, i've got a bone on"
"wo, stacy gives me a bone on"
"suck my bone on"
by FIZZYLFC October 23, 2005
 
3.
similiar to right on, cool man; a california slang
bone on man.
by greatland January 05, 2009