Green’s Dictionary of Slang

lot lice n.

(US) undistinguished people who are attracted by the circus.

[US]E. Hoagland Cat Man 129: Vociferous lot lice had been drawn in such numbers .
[US]C. Clausen I Love You Honey, But the Season’s Over 125: Hey, girls, pipe the lot lice! Ain’t they funny-looking?