Muddy dick
During anal sex when the receiver excretes on the dick of the person performing the acts.
Ethan - "Yo Luke, your mom gave me the maddest muddy dick last night"
Luke - "What does that mean"
Ethan - "Ya know, your moms shitted on my dick"
Luke - "What does that mean"
Ethan - "Ya know, your moms shitted on my dick"