1. noun A genre of funk and soul music that originated in the 1970s in Washington, D.C. Guitarist Chuck Brown is closely associated with the origins of go-go.

2. noun A venue or event where patrons can dance to such music, similar to a discotheque. Here's an old photo of your mother about to go to a go-go—look at that outfit!

3. noun A style of dance typically performed at a club or other such venue by women wearing revealing clothing, often for the purpose of sexual titillation. Can you believe that Aunt Irene used to dance go-go back in the '60s?

4. adjective Describing or pertaining to this style of dance. Can you believe that Aunt Irene was a go-go dancer in the '60s?

5. adjective, slang Energetic or dynamic. Katie is one of those go-go types who just amazes me with her boundless enthusiasm.

6. adjective, slang Apt to grow or expand quickly, as of a business or field. Don't invest in a go-go start-up like this—it's not stable enough.