when a girl has facial hair above her upper lip
yo that chicks mac nasty had more hair than my mustache
di kazzilla 20 marzo 2010
Can you define these popular missing words?
Penelope Cruz is macnasty!
di Sam Nizzle 26 settembre 2003
One who thinks he or she is a tank when drinking (When he or she is not) then they think they are very cool, when there are not. They disrespect women and do not know how to pleasure them because they turn gay and smell funny and they hook up with people from a different race.
Dude stop you have only had three beers your being a Macnasty.
di Jason Yard 12 agosto 2006