Literary theory jokes:

The Duke English department--a fractious group of individuals united only by their common hatred for literature.

Derrida and Foucault walk into a bar... [That one needs a little work still]

A guy is rushing down the street in NYC with a violin case near the CUNY Graduate Center. He stops to ask someone for directions. "Can you tell me how to get to Carnegie Hall?" "Theory."

Derrida, Foucault, and a hippy are in an airplane. They need to bail out but there are only two parachutes for the three of them. Foucault grabs one and says 'Knowledge is power" and jumps out. Derrida turn to the hippy and says: What shall we do? The hippy say not to worry, because "Foucault just took my backpack."