split end 
noun
1 (usually split ends) A tip of a person’s hair which has split from dryness or ill-treatment: I’ve got very bad split ends...
- Going from short to long hair takes time and TLC, especially if chemical overprocessing has left you with split ends and dryness.
- ‘Ninety percent of those with long hair will get split ends right after getting highlights,’ Varin says.
- You only get split ends with wet hair in cold weather.
2 American Football An offensive end positioned on the line of scrimmage but some distance away from the other linemen.He was a split end and outside linebacker in a smaller school in Alabama....
- The Jets want Coles to play the split end position he played previously with the team, so McCareins will move to flanker, where he played as a member of the Titans.
- It's an especially positive development for Boldin, who seemed miscast most of the time last season as a split end instead of playing the slot, where he excelled as a rookie.