when a person has a extremely big ass head.
Look at that boy with that tank head. You can't miss that head!!!!
ayon kay TMTS ika-14 ng Oktubre, 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.
ayon kay Socrazes ika-24 ng Hunyo, 2006