When two lesbians play tug of war with their vagina using anal beads as a rope and the loser gets tied up to a wall and furiously fingered till they start to squirt from their pussies.
The Dirty Heinrich means to tie a spoon to your dick with the shovel towards your asshole. If you have erectile malfunction you take a shit onto the spoon and the weight pushes your dick up for a long lasting, nice smelling fuck.
Of course its a german invention
"hey man yesterday i couldn't get an erection while my wife wanted it so bad"