This is a shorthand for the overused expression, "Have a good one," (derived from the even more overused expression "Have a good day") and is slowly catching on to be much more hip!
As I drop my friend off and he leaves the car, I shout "Have one!"
to have your charm or charisma working at full capacity; ain't no stoppin' ya now, especially with reference to scoring with a chick. You can't say or do anything wrong; your charismatic appeal is at peaklevel.
Talking to the foxy trollop at the end of the bar and trying to get to home plate was like placing a stick of butter in a microwave! She melted, and was up my ass like a proctologist on Monday morning!!! I guess I had my mojo rising that night!
when someone asks you a question or sends you a bullitin on myspace about what is your favorite color, song, food, species of bird... etc... and you don't have one.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.