Green’s Dictionary of Slang

1. cloying, sticky.

1595

Shakespeare Romeo and Juliet I iv: We’ll draw thee from the mire Of this sir-reverence love, where in thou stick’st Up to the ears.

2. used as an insult.

1672

J. Lacy The dumb lady 16: Nur. A down right Sirreverence of a Doctor, I say get her a worthy husband, and say I told you so.