Define Don't Have One Meaning

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.

A child's lament over parent's refusal to add video game equipment to their already ridiculous collection of electronic gadgetry.

a phrase one uses when trying desperately to be cool and open-minded when really that person turns out to be the most indecisive person you will ever meet; typically follows a question given to them concerning what they're favorite aspect of given subject.