when you deny someone dap see dap and they pat ur back so they dont look stupid.
yo what it do?!

no

k coo

lemme get dat back dap
by BackDap September 5, 2009
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When you lightly use the backside of your hand with a closed fist to achieve daps with a friend without damaging your knuckles
I knocked a buncha fools out at the bar last night. it was sick, my hands are trashed tho.... back dap
by miki2345 November 22, 2019
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