What is Floonie?
1.
Rohypnol, also known as the "date rape drug" (short form of the drug's generic name, flunitrazepam).
She wouldn't take her eyes off her drink as she headed toward the ladies' room; maybe she was afraid someone might try and slip her a floonie or something.
2.
a being who wanders between the floywitts and the goonies
"salina and gopher would be floonies"