when a person has a extremely big ass head.
Look at that boy with that tank head. You can't miss that head!!!!
โดย TMTS 14 ตุลาคม 2007
A girl who has an "okay" body and an "alright" face, with cheap clothes and shoes, who will swear she's the most beautiful girl in the world.
I think I've seen that Tankhead before.
โดย Socrazes 24 มิถุนายน 2006