1. Stupidly ridiculous.
2. A combination of the words "Retarded" (as used to describe something, not someone) and "Ridiculous".
3. Describes an extreme amount of work handed out by a dick of a boss.
See also: redonkulous.
Person B: Just say redurkalous plz.
OMgz what a redurkalous amount of work, your boss must be a dick.