Sussy baka dancing is another word for sex, intercourse, the devils tango, insert other words for sex..
If you want to be secretive about someone you had sex with you'd say "me and __ did the sussy baka dance" , or if you're just uncomfortable saying the word sex, sussy baka dancing is a good alternative.
Mark: Me and Shannon did the sussy baka dance !
Catherine: It should've been me...
Mark: Oh fr??, we can start sussy baka dancing later
Catherine: oh hell yeah