n.,
person who wants to get high on someone else's
drugs, upon sight of him/her bringing out a
bag of it; a predatory joneser, of pteradactyl like proportions. See also: joneser.
When I brought out the
bag I'd
just bought, that bagadactyl's eyes were poppin' out of their sockets!
If you buy a phat
sack like you did last time, watch out for her -- she's a bagadactyl