Disgusting video shows a teen slamming a girl to the ground and stomping on her head after she refused to give him her phone number, according to police and sources.
Video circulating on social media shows the 14-year-old brute confronting the 15-year-old girl on the corner of East 107th Street and 3rd Avenue in East Harlem around 3:30 p.m. Monday after school got out.
WARNING: EXPLICIT LANGUAGE…