What is Bad Hair?
1.
A term popular in the African-American community; the typical hair of those of African decent. It is extremely curly/wavy and described as "nappy" and "kinky." It is unmanagable, and is the opposite of 
Note: Most people who use this term would never admit the inferiority complex from which it came.
Little Tymunesha On Playground: "Eww! Look at Porche! She got dat ugly bad hair!!! An' her momma dun gave her a name of a car she can't affor'!"
2.
see 
Michael Bolton Has Bad Hair
See 
Random Words:
1. 
When a guy sticks his penis so far up your vagina it goes out the other end to your asshole. 
or vice versa. from your ass to your vagi..