DWIM [Do What I Mean] 1. adj. Able to guess, sometimes even correctly, what result was intended when provided with bogus input. Often suggested in jest as a desired feature for a complex program. A related term, more often seen as a verb, is DTRT (Do The Right Thing). 2. n. The INTERLISP function that attempts to accomplish this feat by correcting many of the more common errors. See HAIRY.