Answer: hipped

AnswerCrossword Clue
HIPPEDObsessed by a single idea.
HIPPEDObsessed, with "on"
HIPPEDSloping on all sides, as a roof
hippedgreatly interested or preoccupied, almost to an irrational extent; obsessed (usually fol. by on)
hippedhaving hips
hipped(esp. of livestock) having the hip injured or dislocated
hippedhaving the hips as specified (usually used in combination)
hippedformed with a hip or hips, as a roof