When one of your mates gets hammered (either pissed or stoned or a combination of both..) and starts staggering backwards and forwards like an old decrepid horse.
by Burton the bastard October 16, 2007
by crazycat49 May 2, 2018
often used to describe a large penis, for obvious reasons such as a horses penis is extremely large. Usually 6 inches and above.
by eggzypie March 25, 2011
by pers October 18, 2004
by moomoo222 March 6, 2009