Ha'Dow
I agree. Used by Snoop Dogg when "hi-fiving", etc. Can also be used to clink glasses and other beverage containers in celebration or agreement.
M says: "My friends had a sweet wedding."
D says: "Ha'Dow" (clinking glasses, gives a 'bro-tap')
D says: "Ha'Dow" (clinking glasses, gives a 'bro-tap')