a mix of the words bummer and bender (each used to discribe homosexuals) used to discribe a homosexual
by www.myspace.com/hardjamciders November 1, 2009
Get the Bumdermug. Oh, piss off, you bumder
by Immortal Kombat June 12, 2018
Get the Bumdermug. Luci is a bumder and a rent boy who is also known to suck pataks off old men’s cock and wank dem off in bushes. He is also a cunt
by Nathan pataks June 2, 2020
Get the Luci bumdermug. by themissile14 June 6, 2015
Get the Bumdermug. by Suckmaballs November 27, 2018
Get the Bumdermug. by Urbantheturban July 8, 2019
Get the bumdermug. When someone in the same photo as you has a really big bum and takes all the attention (bumder) away from your bum.
"You're stealing my bumder"
by Scrunchie Lady July 9, 2018
Get the Bumdermug.