Rude Goldberg machine
A Rube Goldberg machine that does something rude to someone in the end.
Some dude: I really think what you made is cool. My favorite part was the dominoes. Can I make one t..... (gets kicked by a boot).
Another dude: Sorry about that, that's my Rude Goldberg machine.
Another dude: Sorry about that, that's my Rude Goldberg machine.