The act of walking into a window or screen door thinking there isn't one there, similar to what birds do.
by Atlmom September 25, 2013
 Get the Birdmug.
Get the Birdmug. Having 10m wide sideburns and kicking a girl in the leg then saying "errrrrrrr plz dont hurt me" would be flirting a bit.
by Renton October 24, 2003
 Get the Birding-itmug.
Get the Birding-itmug. by Goose December 7, 2003
 Get the Birdmug.
Get the Birdmug. by John R. December 9, 2003
 Get the Birdmug.
Get the Birdmug. when, while hunting, you kill a particularly fine looking bird and decide to engage in intercourse with it, this is called a bird-fuck bird-cunt if and only if the birds cunt is stretched and torn when you are done.
by Jimmy "the vagoo" Johnson March 31, 2010
 Get the bird-fuck bird-cuntmug.
Get the bird-fuck bird-cuntmug. by Ace the simp December 17, 2022
 Get the Baby birdmug.
Get the Baby birdmug. 