2.To have parts of one’s hair lightened, typically the tips. Similar to highlights.
3.To be high on stimulants.
4.To be angry.
5.To have a white glaze over, such as frosted glass or frosted donuts.
2. Pat looks as if he got his hair frosted.
3. John is getting himself frosted on drugs.
4. Howard became frosted at the site of his wrecked car.
6. You can't see clearly though frosted glass.
Commonly a reference to being high on cocaine, which is known as "snow".
In Florida area is a prevalent reference to being so high on crypy that the brain feels frozen stupid.
On sambuca day, I turn up to skrillex , a cup of 'buca and get straight frosted.