Giro Chron

Giro Chron (Gee·row Kr·ons)
Adj. Informal

1. Chronic herb that can be considered "sub-par."
2. Buds that are generally cheap and low in THC content.
3. Any marijuana substance that results in headache when smoked.

By now you should be able to effectively identify and avoid "Giro Chron" without an example.