Used by thieves to signify searching a person whom they have robbed. Blast his eyes! frisk him.

-From the 1811 Dictionary of the Vulgar Tongue.

To shuffle cards minutely: also, to change the pack.

-From the 1811 Dictionary of the Vulgar Tongue.

To abuse, and tear to rags the characters of the persons abused. She gave him a good ragging, or ragged him off heartily.

–From the 1811 Dictionary of the Vulgar Tongue.

To copulate. He is but bad shag; he is no able woman’s man.

–From the 1811 Dictionary of the Vulgar Tongue.

It seems like such a recent term because of Austin Powers. Would you believe it if you saw it used in a Regency?