Definition of pissers:
(n) :
(chiefly US, mildly vulgar, slang) A toilet or urinal.
(n) :
(mildly vulgar) One who pisses.
(n) :
(mildly vulgar) That which pisses, particularly a penis.
(n) :
(US northeast dialect, slang, mildly vulgar) Someone or something either viewed as good, impressive or remarkable.
(n) :
(UK, Ireland, slang, mildly vulgar) A disappointing or frustrating situation or event.
(n) :
(Australia, New Zealand, slang, mildly vulgar) An extremely amusing person or thing.