look up any word, like hipster:
 
1.
This is the meanest way possible to say someone is absolutely wrong.
Gian-Carlo Rossi asked me to get him some food cause he is slow and I said HOW BOUT NOOOOO!!!
by Pook and Tehd December 23, 2005
 
2.
Code for "Let's have anal sex" (see example).
Guy: Hey, wanna suck my cock?
Gal: HOW BOUT NOOOO
Guy: That'd be okay, too!
Gal: (removes panties and bends over)
by the letter d October 26, 2007