A thickenhead is a young female,
usually in her late teens or early 20's that has both a THICK body and is a
CHICKENHEAD ,
creating the hybrid word Thickenhead.
Brotha #1 :Dayummmm Ashley got a bad ass body, look how thick she is!
Brotha #2 : yeah but she hooked up with every dude on this street so
you better wear a jimmy, she a Thickenhead!
chickenhead thick ghetto
blockhead hoe