Slang for semen. Sometimes sold as merchandise (mugs, t-shirts, etc) and purchased by women to low key indicate they perform oral sex.
> Nick: What did you get Jennifer for her birthday?
> Joe: I bought her a male tears mug. She earned it after the [blowjob] she gave me last week.
> Jack: I'm going to ask Jill if she'll be in our [bukkake].
> Kurt: Jill is into that sort of thing?
> Jack: Yeah, haven't you seen her "I bathe in male tears" shirt?
> Jonas: Swallow or spit?
> Christine: Male tears are delicious!
> Jonas: Sweet!