The phenomenon when a males mind becomes filled with extremely sexual thoughts when one has a boner. In other words a person thinks with their boner.
I had a serious case of boner brain in class and almost spunked my pants thinking of fucking Ms. Williams
by TadBitOfThad May 11, 2015
Get the Boner Brainmug. when there is a possibility of a huge snow storm, and everyone watches the local weather in anticipation
by mcdspanky5 December 7, 2009
Get the snow bonermug. When your grinding on your downhill skateboard and you get a massive engorged boner. This is usually shameful and people try to hid their skater boner even though they should be proud of it.
Max: Did you hear about what happened to Joey yesterday?
Lucas: What?
Max: He was shredding on his skateboard and got a skater boner.
Lucas: What?
Max: He was shredding on his skateboard and got a skater boner.
by kankz_69 May 22, 2017
Get the Skater Bonermug. by IWatchBuzzFeed July 12, 2014
Get the Rogue Bonermug. by UrbanDoctor69 January 4, 2017
Get the soft bonermug. by Noel Knight October 23, 2019
Get the Boner Alertmug. The resulting boner one gets from the pure excitement of hearing about the upcoming 2012 Black Sabbath reunion.
Matthew had such a Sabbath boner after hearing of Black Sabbath's upcoming reunion that he could in no way concentrate on work. Or sit down properly.
by Woo Yeah Nester November 17, 2011
Get the Sabbath Bonermug.