mechanigram 

a message sent from one mechanic to another and then delivered as a schematic diagram.

"Hey Jake, did you send Jeff at Hot Rods that mechanigram to say thanks for the over sized cams he sent us?"

mechanigram by mynoduesp5674 December 20, 2015

mechanigga 

A mechanical nigga

Person 1: LOOK! A MECHANIGGA!
People: *crowd them*

mechanigga by Mechanigga2000 May 25, 2019