A British drinking game, usually takes place in a park or at a festival, where toilets are far away. Involves each person drinking 8 pints of beer without urinating throughout; the idea being that there are on average 8 pints of blood in the human body, so after 8 pints of beer without any coming out you're half-man half-beer.
Grab some tins, we're going to Hyde Park to do Half-Man.
di LashCommanderFlash 13 aprile 2011
2 more definitions
A drug dealer, esp. a small-time, street-level drug dealer.
"Sniff a few lines with your buddy Noriega/Then bust the half-man in the bodega" (Big Lou, "Justice Not Found")
di Anthony Brancato 20 aprile 2003
A human with both female and male reproductive organs.
"It" was born a halfman with a penis and vagina.
di Halfman Definer 05 marzo 2009