Whas coffee?

Ok i went to a supermarket and they had a sign up coffee.
So i was like cof-fee? I didnt understand but i think i had an idea what they meant.
this whas a ghetto super market so i say everything in hear have a slang you know
like white ppl would call you a fag but i wud call you a phag.Anywhoo
So i say to my self i wonder if you had to pay for the coffee?But then i say thas silly why wud i go pay to cof- fee? get it loser cough free?
shaddap