When someone Hums a tune without thinking about it or to cover up a mistake. Usually the same tune is used.
by Taro Baro January 4, 2021
Get the Default Hummug. by ant1y February 8, 2008
Get the hum-dingingmug. Something that "hums" (stinks) which also comes from your bum. i.e farting..guffing, trumping...bottom vapours!!!
by BFREASH February 17, 2010
Get the Bum Hummug. by Ben Dover October 20, 2004
Get the Hum and a Buffmug. by Mirak Meffit August 21, 2003
Get the Ya Humsmug. by MZshindig February 9, 2010
Get the hum-dongermug. by Sun Rhythms October 13, 2004
Get the hum electricmug.