The definition of a scumbag is a person who is dishonest, contemptible, undesirable or sleazy.
An example of a scumbag is a felon with a long criminal record who shows up drunk at your door to take your daughter on a date.
Slang a low, despicable person; lowlife
- Slang A person regarded as despicable.
- Vulgar Slang A condom, especially one that has been used.
Origin of scumbagFrom slang scum, semen.