specifically when listening to music, to lose oneself to the music, to get into a zone or zone-out while listening to a particularly engrossing piece of music, beat, or set of rap lyrics. Most applicable when used in reference to listening to music.

lil mad is like big mad but the opposite, you mad but not mad to the extent of pullin somthin

to chill out, relax, max.

just relaxing, chilling, listening to some mellow music
may or may not be stoned