A combination of "sick" and "lit af", providing for a greater level of supercalifragilisticexpialidociousness.
*flips bottle into a basketball hoop, while dabbing*
"dude that was slit af"
"Golly, thanks a lot :D"
"dude that was slit af"
"Golly, thanks a lot :D"
by yoloswaggin58 July 10, 2016