Green’s Dictionary of Slang

1. to fool, to deceive.

1938

J.H. Warner ‘A Word List From Southeast Arkansas’ in AS XIII:1 6: mojo, v. To hoodwink, or to get the best of one.

2. to jinx, to charm.

1972

R.M. Wintrob in Smith Conjuring Culture (1995) 51: The person who comes under the spell of a rootworker is considered rooted, mojoed, criss-crossed, hoodooed or conjured.