Cable television station originally devoted to showing music videos, hence the abbreviation for "Music Television." Over twenty years, it gradually phased out music except for a tiny bit of top-40 pop and rap, replacing videos with cartoons, game shows, reality shows, and other gen-x/y pseudo-hipster fare.
The father of a woman's child, used to denote that the father is neither the mother's husband or boyfriend, but just the sperm donor.
"Sheeeeeeeeet Uniqua, why you ain't callin' yo' babydaddy fo' Father's Day?" -Shamiqua
"Cuz I gots seven different babydaddies and I don't got enuff food stamps to call dem all AND buy scratch-off lottery tickets."