One who describes someone else as being a weenstick and isn't being ironic, is, himself, a weenstick.
Ralphie: Dude, that guy has stolen my lunch money so many times. He is SUCH a weenstick.
Doug: Shut the fuck up, Ralphie. You're the weenstick.
Doug: Shut the fuck up, Ralphie. You're the weenstick.
by GooDictionary December 30, 2013
Get the weenstickmug.