a mix of the words bummer and bender (each used to discribe homosexuals) used to discribe a homosexual
by www.myspace.com/hardjamciders September 23, 2009
When someone in the same photo as you has a really big bum and takes all the attention (bumder) away from your bum.
by Scrunchie Lady July 9, 2018
by Urbantheturban July 8, 2019
by Immortal Kombat June 3, 2018
Oska"fuck off you bumder".
Alfie smih"what's a bumper".
Oska"it means gay so its a word that describes you".
Alfie smih"what's a bumper".
Oska"it means gay so its a word that describes you".
by Heeeeeeeeeellllllllooooooooo February 19, 2020
by Suckmaballs November 27, 2018
by aidenmill6 February 28, 2019