What non-members of 1337speak subcultures hear when they read 1337.
Non-geek: i <3 dr.j
Geek: Yeah... 5h3 1z t3h 1337 roxx0rz!
Non-geek: uhh ok
Non-geek: I don't even know what we are talking about anymore.
Geek: Did you read 1337 or thirteen thirty-seven?
Non-geek: uhh the second one.
Geek: Oh, well check this out: 1337. The third definition should spell it out for you.