A Mexican Dumptruck is when one takes a Mexican's Sombrero, and shits in it so once the Mexican has put the sombrero back on, he gets covered in shit.
Will: "Bobby! What are you doing?"
Bobby shits in Diego's sombrero.
Bobby: "Puto stole my job."
Bobby Gave Diego a Mexican Dumptruck.
Bobby shits in Diego's sombrero.
Bobby: "Puto stole my job."
Bobby Gave Diego a Mexican Dumptruck.
by JesusHooker1717 August 04, 2008