look up any word, like blumpkin:
 
1.
Whilst in the act of sexual intercourse with another, one partner defecates into the pee-hole of the other.
Guess what happened yesterday, I got Alex to truncate in me!
by Jimmy Schmitzzer May 27, 2010
 
2.
To cut, sever, or otherwise remove forcefully. Windows XP style of defining castration.
That file was so corrupt even XP knew it needed to be truncated, AOL is like a living virus!
by screenamehere012 July 20, 2003
 
3.
To load an object into the trunk.
"Hey Billy, come truncate this dead guy!"
by Quacks November 14, 2005