Green’s Dictionary of Slang

slippin’ adj.

[SE slipping along nicely]

(US teen) a general adj. of approval.

Bubba Sparxxx f/ Duddy Ken ‘Take’m to the Water’ 🎵 on Dark Days, Bright Nights [album] Ate a ten-strip of blotter, been wiggin all week long / Y’all keep on, with that jibbery jabbery slippin out happily / Expose you pretty hoes with a dose of this hospitality.