2. (verb) The action of checking your various accounts when you don't intend on spending more than the time it takes to do so online.
Allen: Can I use you internet to check my juba.
Stan: Hey, if you're online i wanna show you this video on youtube.
Nancy: Not now, I'm only gonna juba.
2) dancing of any sort.
2) "Talkin to me Juba to jive!"(she asked me to dance) quoted in 9 lives by aerosmith