Don't let 'em jack you up, back you up
Crack you up and pimp-smack you up

from 2Pac – Changes Lyrics on Rap Genius

Meaning

Pac encourages his listeners to stay strong in the face of police/law enforcement harassment

Also, this line is fun to freestyle with:

“Hack you up, snack you up, nap you up and then crap you up…”

To help improve the meaning of these lyrics, visit “Changes” by 2Pac Lyrics and leave a comment on the lyrics box