look up any word, like vai tomar no cu:

1 definition by Rhodri Griffiths

 
1.
To defy the laws of physics whilst engaging in sexual intercourse.
A common example is to have sex listed as the 'Bat Position' in the karma sutra, and that is to have sexual intercourse on the ceiling.
I went to 12th base last night and i got such a rush to my head.
by Rhodri Griffiths June 03, 2006
136 34