In cooking terms, to burn a meal to the point where it is virtually unservable; to grossly overseason a dish so that it is inedible; or to perform some other act of gross incompetence.
If you combine four pounds of ground hamburger with four pounds of refried beans, you may be clever enough to become a cook at Taco Tim's. But, if you foolishly add six pounds of jalapeno peppers to that mixture, you've just Randallized it and there will be a lot of complaints from the customers.
To artfully avoid answering personal questions by slightly changing the topic, or by replying with a related question, in such a way that the person who asked the initial question is unaware of what has just happened. This style was first made (in)famous as the signature move of one Dr. Randall, following its identification and labeling by a brilliant and eloquent coworker, circa 2008. It then spread across the Western United States in the coming decade. Legend has it that said coworker, despite having developed a great friendship with the elusive Dr. Randall, has nevertheless never been invited into his home.
The act of telling someone, like a boss or friend, that you will be arriving at a certain time, only to send a text 2 hours late explaining why you couldn't make it. Thus making yourself look like an ass.
Boss: " When did he say he would be in?"
Employee: " 8:00 am sir."
- 10:30 am
Employee: " Sir, he just texted me saying he had to take his grandma to her funeral."
Boss: " Dammit he Randallized us."
(ran-dul-izm) noun: 1.belief that Randall is greater than all other people. 2. A cult formed by the good people of Bostwana worshiping the total pwnage of Randall over all other forms of life and intelligenge.