1. To be of sudden use for only a short period of time.
2. To be worthless.
3. To be quick, satisfactory, and of no worth towards the person using the "Qix".
4. A prostitute.
1) I could use that chick for a quick Qix right now...
2) Man, that jacket ain't worth jack Qix, breh.
3) You give the best Qix's I've ever seen. Now get the fuck out.
4) Heeyyyyyy sexy Qix, how you doin' today? How 'bout you get in my van...I have a special lollipop for you...