When something is so scary that you clench your arsehole. Or when you take a scary fall while climbing
Oh shit that was a proper clencher
by Mccupoftea February 05, 2023
Proper belt buckle is a reference to the link between 2 or more people. This shows their deep and even spiritual connection that transcends space and time.
friend 1: oi mate me and you are such a proper belt buckle
friend 2: thankyou bigmantjng you as well brev *kiss* *kiss*!
friend 2: thankyou bigmantjng you as well brev *kiss* *kiss*!