Green’s Dictionary of Slang

(orig. US campus) a fig. ‘arrest’ (most likely heavy verbal criticism) of one whose style is considered unacceptably unfashionable; usu. as make a fashion arrest.

1989		P. Munro Sl. U. 126: When I saw Belinda in her pink spandex miniskirt, I decided to make a fashion arrest.
2003		E.W. Miller Food Lover’s Guide to Florence 163: I usually try to avoid entering anything on this street, lest they put me under fashion arrest.