à go·go or à·go-go 
(ə-gōgō′)
(ə-gōgō′)adv.
In a fast and lively manner: dancing à gogo.
n. pl. à go·gos or à go-gos
A nightclub for fast, lively dancing.
[French à gogo, galore, from Old French a gogo : a, to (from Latin ad; see AD-) + gogo (probably reduplicated form of gogue, merriment).]
- on the ball
- on the barrel
- on the barrel/barrelhead
- on the barrelhead
- on the beam
- on the blink
- on the brain
- on the breadline
- on the bubble
- on the bum
- on the button
- on the carpet
- on the cheap
- on the coattails of
- on the contrary
- on the cuff
- on the cusp
- on the defensive
- on the dole
- on the dot
- on the double
- on the drawing board
- on the edge
- on the face of it
- on the fence