MEANING: verb tr.: To understand deeply and intuitively.

ETYMOLOGY: Coined by Robert A. Heinlein in his science-fiction novel Stranger in a Strange Land. Earliest documented use: 1961.

NOTES: In Stranger in a Strange Land, Heinlein describes grok as a Martian word meaning "to drink". That's the literal meaning, however, figuratively it means to understand something in a profound way. To grok something is to be one with it in a way that the observer and the observed become merged.

GWOK - to dwink in, to understand deeply and intuitively, provided you are Martian with a lisp