the act of deception in which a patron at a self-serve beverage dispensary orders water but in fact fills his/her cup with a soda/lemonade/tea of some sort that would otherwise have cost money. usually pulled by those who fleet and jesse.
(after sitting down at a fast food establishment)
guy 1: yo i thought you got water with your crunchwrap supreme?
guy 2: thats what the man thinks, but i just pulled that brown water trick nukka!!!
guy 3: is you rollin?
guy 2: bitch i might be!