In a sacrilegious manner; done without proper respect.
1970, Stendhal, Translated by Richard N. Coe, New York: Orion Press, Chapter XXII, p. 286,
Every Friday, in fact, the priests send out spies into the back-gardens of all the palazzi to hunt for chicken-bones on the rubbish-heaps; the chamber-maid cannot receive absolution at her Easter confession unless she denounces secret carcass-hoards of sacrilegiously-consumed fowls […]