thehornster's definitions
a splenderifious way of having sex. usually upside down, sometimes to the side, out a window. also, the most orgastic orgasm you will ever had.
Horny boy: dude, i need to get to 6th base.
Horny boy 2: you gonna try it on the stairs this time?
Horny boy 3: man, it's the best orgasm ever.
Horny boy 2: you gonna try it on the stairs this time?
Horny boy 3: man, it's the best orgasm ever.
by thehornster November 5, 2009
Get the 6th basemug.