(or man ed)a teen girl, most commonly a lesbian, who dresses in boy clothes and acts very manly, they tend to not wear make up and leave their hair natural, they wear boys trousers and expensive boy tops and shoes. normally in a relationship the man head would be dating a very girly lesbian
(transitive verb): when someone with the most experience on a skydive takes a perfectly functioning jump made by a group of less-experienced skydivers and turns it to shit in a hurry
Brandon's 100th skydive was going perfectly until some asshat came along and kellogged the whole thing.