Miss Geist from 'Clueless'

I Once Got Recognized

... in a Weed Shop!

12/30/2011 7:55 AM PST BY TMZ STAFF

Twink Caplan -- best known for playing Miss Geist in the classic movie "Clueless" -- once found herself recognized in a place she'd rather not have been seen ... a medical marijuana shop.

Of course, Caplan says she was only there for a friend -- Travis, perhaps?