I think this Mary is laced; my heart is beating at paces
That Pacquiao can't relate

from Tyler The Creator (Ft. Hodgy Beats) – Jamba Lyrics on Rap Genius

Meaning

He’s worried that the weed he’s smoking is laced with other drugs, and has his pulse beating very fast much like boxer Manny Pacquiaos hands.

To help improve the meaning of these lyrics, visit “Jamba” by Tyler The Creator (Ft. Hodgy Beats) Lyrics and leave a comment on the lyrics box