noun, noun or participle which takes 'suru'
free sex; sex without payment
Vulgar slang for sexual intercourse obtained without paying, often implying casual or transactional context. The term is derived from タダ (free) and マンコ (vulgar for vagina).
あの女はタダマンさせてくれるらしい。
I heard that woman puts out for free.
Guys who hit on women just for free sex are the worst.