by Torage June 22, 2008
The inescapable general baseline knowledge of fandoms even if you are not technically a part of the fandom, that you gained from being a nerd and talking to other nerds.
Person 1: How did you know so much about Doctor Who?
Person 2: Oh that, I got it from Base Line Nerd Osmosis with my sister.
Person 2: Oh that, I got it from Base Line Nerd Osmosis with my sister.
by Human____404 February 20, 2021
The crease line that some people iron down the middle of each leg on their pants instead of ironing them where the seam is.
by AmandaLouise September 4, 2008