high beam

Noun

high-beam (plural high-beams)

1. (plural-normally) The setting of an automobile's headlights adjusted to brighten a longer distance in front of the car, than when on the normal (low-beam) setting.
   • Turn off your high-beams - you're blinding the oncoming traffic.

   Synonyms:

   full-beam, upper-beam, main beam, brights

   Antonyms:

   low-beam, dim light, dipped headlight, dimmed headlights

2. (plural-normally, slang) An erect nipple.