When 2 bros sit side-by-side facing forward (sometimes in a moving vehicle), and use the arm closest to one another to reach over and give the other a hand-job. As this happens simultaneously, their arms cross each other, forming an "X," hence the term X-Men.
by T-Vo14 October 2, 2009
Get the X-Menmug. Where you are given Meth when first born and then you slowly become insane to where you are put in an asylum then you are killed before you murder anyone.
by Makie Kilo February 22, 2015
Get the Disease Xmug. Synapse X a lame ass exploit that skids, (often 12-16 year old trash talking bitches) use so they can dick ride 3dsboy08
by Biggie smaIIs December 15, 2018
Get the Synapse Xmug. by Seanhk April 16, 2006
Get the x-menmug. by yourbigfuckingtoe June 24, 2017
Get the x for anythingmug. by Del June 14, 2003
Get the Jebus Xmug. A bunch of overly muscular mutants who can't have sex because they might kill each other by means of explosion/touching/stabbing/electrifying/freezing/burning etc.
by bluesonic115 September 21, 2009
Get the X-Menmug.