Bennies

Benadryl. Commonly regarding Benadryl pills/tablets. Usually said for unconventional or illegitimate uses of the drug. Bennies can be taken for recreational purposes for their sometimes hypnotic effect from the drowsiness they provide. They can also be taken for perfectly reasonable and legit reasons such as relieving seasonal allergies.

I'm really bored.
>Pop a few bennies and you'll be having fun.

My nose is running a lot.
>A Benny or two would clear that up.