means let the good times roll.
Therefore, if everything is all right what's there to worry about? Ummm, nothing... Nevertheless, moderation is the key to everything. If you are not careful, your raging desire to be a hedonist can lead you into the doldrums, the equatorial calms, m'kay. We will reminisce wondering what you used to be and what you've become.
Note: For interest's sake, Zimdaansaal myuuzik recording artist Seh Calaz (Tawanda Mumhanyi) released an LP ("studio album") titled after the aforementioned slang phrase. It was produced by Teejay, T-Man, Cahslibs, Marlon T, Kutso, Pablo, Cymple Music, and Chisale.