1.a complete nerd (that is doing bad in classes) and its head is unporation with the rest of its body
2. is stuburn 24/7 exspecialy in the morning
3.a nickname for someone with needle in there name
girl(on the bus in the morining)-hey
girl-your being such a neeedlehead
girl 1- look at this kid
girl 2- that kid is such a needlehead
girl 1-HEY john
girl 2-no his name is needlehead
girl 2-beacause his name is john needlesned
girl 1-oh makes scence
Person engaged in the act of needling someone (ref. needle) on a regular basis.
"That clown was giving me crap all night, what a needlehead"
Somebody who injects drugs into the veins and then steels people cigarettes and mobile phones
Matt Young is such a needlehead