davidsonic, adj. Of speed; minimum forward velocity required to keep a research program in the air. Superdavidsonic, of research program for which this speed is zero. Hence, davidsonic boom, the sound made by a research program when it hits Oxford.

dummett, v. Contraction of "thumb through it"; as in "I'm afraid the only index this book has is almost the same as the table of contents, so you'll just have to dummett."

rort, n. m. (1) an incorrigible report; hence, rorty, adj. incorrigible. n. (2) Fashionable but confused discourse. "Don't talk rort."