1- To slip something filthy into someone's mouth.
2- A derogatory name to call a homeless person.
Definition A
Person 1 - What happened last night?
Person 2 - He got attacked by a filthy slipper.

Definition B
There are too many filthy slippers in Oxford.
by actualrealityactupfightaids January 9, 2010
Get the Filthy Slipper mug.