Wiktionary
double top
n. (context darts English) double twenty (on a dartboard).
Wikipedia
Double top
Double top may refer to:
- Double top and double bottom, reversal chart patterns observed in the technical analysis of financial trading markets of stocks, commodities, currencies, and other assets
- a double twenty score in darts
Usage examples of "double top".
The Four Horsemen needed but a double top to take the Shield, and a child of three, or at a pinch four if he was born in Brentford, could surely have got that, given three darts.