A place for a female to sit that comprises a man's lap and, specifically, his erect manhood. Use of this phrase usually implies that more than just sitting (namely, boning) is underway.
by Nicholas A. B. June 30, 2008
Similar to 'Bed Head' in which the hair on the back of your head is matted down from prolonged sitting.
by kevinjanko July 11, 2008