turned-on

1. Highly aware of and responsive to what is fashionable and up-to-date.
2. 1. Pleasantly excited or stimulated.
   2. Sexually aroused.
   3. Under the influence of a mind-altering drug.

adjective

1. Feeling a very strong emotion: atingle, excited, fired up, thrilled, worked up. Informal psyched. Slang stoked. See excite/bore/interest.
2. Stupefied, intoxicated, or otherwise influenced by the taking of drugs: drugged. Informal doped. Slang high, hopped-up, lit (up), potted, spaced-out, stoned, wiped-out, zonked. See drugs/temperance.

The adjective has 2 meanings:

Meaning #1: feeling great sexual desire
  Synonyms: aroused, horny, randy, ruttish

Meaning #2: keenly excited (especially sexually) or indicating excitement
  Synonyms: ablaze, aflame, aroused