Green’s Dictionary of Slang

pivot v.

[their pivoting on their feet]

(US Und.) of a beggar, to solicit for alms; of a street prostitute, to attract customers.

[US]Jackson & Hellyer Vocab. Criminal Sl.
[US]Goldin et al. DAUL 158/2: Pivot. To beg on the streets or highways.
[US]Ragen & Finston World’s Toughest Prison 813: pivot – To solicit for immoral purposes.