look up any word, like fellated:
 
1.
to shank someone with a metal geometry compass(preferebly rusty).
Holy shit that crazy J-wale geo-shanked Frank
(for reference you can search J-wale)
by J-WALE June 16, 2009
 
2.
To shank someone with a geometry compass
After years of threats, the disgruntled child finally geoshanked his teacher
by Pitking4975 July 01, 2009