my muscles my muscles involuntarily flex

Two trucks having sex Two trucks having sex My muscles, my muscles Involuntarily flex Two trucks having sex Two trucks having sex My muscles, my muscles Involuntarily flex Two pickup trucks Making love American made Built Ford tough Two beautiful murder machines American angels in the sky Grown men cry Two trucks having sex (oh yes) Two trucks having sex (oh yes) My muscles (oh), my muscles (oh) Involuntarily flex Two trucks having sex (oh yes) Two trucks having sex (oh yes) My muscles (oh) my muscles (oh) Involuntarily flex