look up any word, like spook:
 
1.
Taken from the book 'Stranger in a Strange Land,' literally meaning 'to drink' but taken to mean 'understanding.' Often used by programmers and other assorted geeks.
It took me a long time to grok Perl, but now I can read it without going blind!
by /dev/dave October 01, 2003
 
2.
To understand profoundly through intuition or empathy.
by Eibro October 04, 2003
 
3.
1. Martain word meaning literally, 'to drink'.
2. Also 'love', 'hate', and much more. To grok means to understand and empathize with something or someone to the extent that the object or person becomes part of ones' sense self.
3. To become one with.
I grok water.
I grok God.
I grok Jill.
by Tony Sampaio August 10, 2005
 
4.
1. To understand something intimately and completely. (originally from Stranger in a Strange Land, by Robert A. Heinlein)

2. With programs, having sufficient understanding.

Almost all C compilers grok the void type these days.
by tobym4 May 30, 2006
 
5.
To drink in, to make a part of one's self
To grok life, love, and God, this is a noble goal
--Fred Cain
by Barsabus Justus March 20, 2003
 
6.
To know something in and out and be able to exist in it's embodiment.
I grok Spock.
by JrnymnNate January 05, 2003
 
7.
Understand
The script kiddie obviously did not grok what he was doing.
by klm October 11, 2002