1. roasted edible nuts
2. the result of holding your laptop in your lap for too long, and the battery gets hot.
3. the result of abusing the seat heater in your car.
the last two definitions can apply to girls as well, but the result is more like roast beef
1. these roasted nuts suck! they're unsalted!
2. no wonder dell recalled those notebooks. they roast your nuts off.
3. dude, chill with the seat warmer, i'm roasting here.