short for dogmatic reflex which is the automatic, unreasonable, negative reaction some people have to new ideas, behavior, or gadgets. it is the result of dogma being the lifelong basis of how one views the world.
when people automatically reject new things, or ideas as too difficult, too mysterious, or just plain wrong because of pre-conceived ideas based on dogma.
person 1: "i tried to show my mom how to use the computer to look stuff up, but she wouldn't even try. she said "oh, i can't do that!" and walked away"
person 2: "sounds like serious dogflex dude"