What is Cumslug?
1.
The residue dripping out after having anal sex and letting your partner ejaculate into your rectal passage
Max: Mmmmm, I've got some drippage! Must be a cumslug!
See
2.
can be used as both a positive or negative phrase...
Positive: 'Wow...check out that piece of ass, shes a real cumslug'
Negative: 'I can't believe you shagged that greasey minger you cumslug!!!'
