Which illicit substances? I wouldn't want to sell stuff like crystal meth or anthrax, but IMO some substances like marijuana are unfairly stigmatized.

il·lic·it
   /ɪˈlɪsɪt/ Show Spelled[ih-lis-it] Show IPA
–adjective
1. not legally permitted or authorized; unlicensed; unlawful.
2. disapproved of or not permitted for moral or ethical reasons.

Selling vibrators to the Amish FTW

You mean again? Or for the first time? Like no knowledge of how it will end?[you no history, history bad.]

Nope, nothin' special - just watch Titanic right now.

il·lic·it
–adjective
1. not legally permitted or authorized; unlicensed; unlawful.
2. disapproved of or not permitted for moral or ethical reasons.

selling vibrators to Mennonites FTW