A reference to the popular film 'Borat, in which he implies an average woman walking past is a prostitute. Used in jest amongst friends, or as flirtation.
Man walks in nightclub, sees attractive woman, wolf whistles and says (probably in same accent as Borat) "Very nice, how much?!"
A man who dates women with the sole purpose of exploiting their time, energy, and labor while he sucks the joy and happiness from their lives.
"That guy's a soul digger. He'll expect you to work full time, but you'll be doing all the cooking, cleaning, laundry, shopping, and childcare while he plays video games or watches TV."