A reference to to people who pretend they're Alex Trebek, host of Jeopardy, but are actually total retards. Synonymous with dumbass and dumb-ass but generally reserved for nerds pretending to be authorities on particular topics.
That dumbalex spent 10 minutes trying to convince me that global warming is a liberal hoax.
by JerseyRocks January 09, 2009
Can you define these popular missing words?