Mechosexual Share definition Flag A person who is in love or obessed with anything mechanical, cars, trucks, motorcycles, bikes, etc. That guy down the street with 15 ars and 5 trucks is a mechosexual. Mechosexual by PK ALA Billy March 19, 2013 0 0 Get merch Get the Mechosexual mug. Buy Now — $32.95 See more merch