Benny

A slang term for the drug "Benadryl" a brand of various antihistamine medications used to stop allergies, whose content varies in different countries, but which includes some combination of diphenhydramine, acrivastine, and/or cetirizine.

Damn bruh, these allergies are killing me. I need some Benny and some Henny (Hennessy, a brand of cognac).