Pull out a plum
1. After anal intercourse having a piece of fecal material stuck to your penis.

2. After vaginal intercourse having a clot of blood on your penis, presumably from the woman having recently had or is still on her period.

Etymology: Nursery Rhyme Little Jack Horner
Tom: Fuck my ass.
Kevin: OK.
(after just finishing)
Kevin: You dirty fuck Tom, you made me pull out a plum. Now I have to go wash your shit off of my dick.
Tom: Occupational hazard, you faggot.