So tag along like a dog with a vagabond
A vagabond is a person of poverty who travels from to place homeless: hobo, vagrant, etc. Usually homeless people seem to always have dogs following them. What X is saying is follow his music, flow, etc. like a dog to a hobo.
To help improve the meaning of these lyrics, visit “The West Coast Cypher” by BET (Ft. DJ Quik, E-40, Kendrick Lamar, Kurupt, Snoop Dogg, Xzibit & YG) Lyrics and leave a comment on the lyrics box