Turn on

[Tina]

A turn on is something that makes you really excited or really horny. when youre with your lover..it makes you want more.

[Justin Bieber]

Anything that one finds appealing, especially those things that a person(male or female) finds to be sexually stimulating, arousing.

[Jessica]

1.To open your awareness.
2.Something that just interest you or makes you happy.
Not just a sexual term. Anyone from the 60s used this term prevalently through out the grooviest time in our recent history.
Timothy Leary Turn on, Tune in, drop out.

[Couch Potatoe]

To put on a pair of sneakers or footwear

[Merna]

[Vicki] the most [fucking hot] [women] in the world