a term used in some places when asking for the last bit of someone's cigarette. Usualy, when you give someone an ace, its when there's about a half an inch left from the paper, to the start of the filter
1. noun. someone who is better than everyone else
2. verb. to do very well 3. noun. a name for the two coolest human beings on the earth (olivia and kelsey)
4. adj. describing how cool one is
1. oh gosh, you are such an ace!
2. i just aced something or other..
3. wow look at those aces!
4. olivia and kelsey are so ace