The ability to understandsomething immediately, without the need for conscious reasoning. Or a thing that one knows or considers likely from instinctive feeling rather than conscious reasoning.
To pop something in the microwave, and then leave. Then to suddenly drift back towards the microwave just in time to when it hits 0. Basically, to be able to tell when your food is done, just by your intuition.
"Hey, why does Joe always get his food so quickly?"
"Bestie Intuition" is some sort of higher 'knowledge based' power between two or more best friends where in everyday life or conversation, one can guess or even predict the thought or action-plan of another bestie before they say or do the thing that they had planned in there mind..
This "power" or "sixth sense" is often found between twins or extremely close siblings.