Refers to the frothing of the mouth often comically representative of eagerness and desperation. It's used to describe an overly desperate or needy person (both male or female) in a dating situation.
A man and a woman hooked up once, exchanged numbers, and part ways. the woman calls or texts all the time, asking for a date or another hook up - constantly offering herself on a silver plate. She is a frother.
Well when you get her so wet it's so thick that you wanna run off .but you can't. You like her and it gets thicker n thicker till it's frothy like a air added milkshake
That girl was so thick and frothy. I thought she was a banana split with nitrous. Female frothing.