1) Means "I
don't
know". Contrary to popular belief, does not
mean "Keep asking me the same question and maybe an answer will pop up."
1) Her "What turns you on about bondage?"
Me "I dunno"
Her "Is it being tied down or having no control or having to place your trust in someone?"
Me "I
don't know you stupid
bitch! Stop asking the
damn question!"