Green’s Dictionary of Slang

halal n.

also hal
[Arabic halal, lawful; in this context ritually slaughtered meat, eaten by Muslims]

a derog. term for a Muslim, esp. a Pakistani immigrant.

Oct. http://upagainst-thewall.blogspot.com [blog] Skipped school today , as the halals had a half day off.
[UK]J. Meades Empty Wigs (t/s) 925: [T]hey’re [i.e. Hasidim] fucking our state our secularism... they’re agents provocateurs baiting the Hals.