something you say to someone you don't know at all, or you don't want to know at all.
a bull shit way to avoid talking anymore.
there's no thought put into what you actually want the person to have a good one of...
"Have a good one" being an alias for "Have a good wank", or more precisely "Go f*** yourself".
It seems that some people who are store clerks are embittered by the fact that they are store clerks and seek solace in this ambiguous flippancy.
VIP: Nice suit you are wearing eh?
Clerk: Thank yousir VIP: Could you call me a cab?
Clerk: yes sir
VIP: good bye and have a nice day
Clerk: have a good one sir
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.