Definitions by Peter Lawson

Hanketsu 

Japanese for arse crack. Literally, half bottom. As in, 'nice hanketsu, mate!

Check out the hanketsu on that plumber!

Hanketsu by Peter Lawson February 1, 2009

Arse crack 

The void between the two bottom cheeks.

'You could park a bike in her arse crack!'

Arse crack by Peter Lawson February 1, 2009