When a person uses fish to have awkward sex with a person
Dude!! my girl freind gave me a nipplefish last night. my dick still smells bad.
1: A fish with nipples.
2: An extremely ugly woman
3: An extremely horrible form of sex
1: "Man, that fish I lost had nipples! It was a nipplefish!
2: "Whew, that woman is a nipplefish!"
3: "Well, I just got done nipplefishing her..."