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1.
to show your utmost geekyness.

if someone knows all of pi, (3.14....) then they are mos def gilh.
"i just gamed on my graphing calculator for five hours straight"

"..YOU'RE A GILH."
by shananananana September 17, 2004

Words related to gilh

aight bro crazy get girl hater hot in line
 
2.
Get In Line Hater
Person 1: Bro, that chick is hot.
Person 2: Nawwh, she aiight.
Person 1: You crazy, GILH.
by LeGaZy December 03, 2010