Used in Australia, particularly amongst military and emergency services circles, to describe a person who tries to, and at the same time actually believes that they, fit in with and are liked by the people around them, when in fact everyone thinks they are a pathetic loser, weirdo, tryhard, dumbcunt, fuckwit, or all of the above.
*Cop covers the interior of his car in random morale patches.
Belter cop's thoughts: "Everyone likes and respects me as a professional police officer."
Every other cops' thoughts: "What a fucking belter."
Belter cop's thoughts: "Everyone likes and respects me as a professional police officer."
Every other cops' thoughts: "What a fucking belter."
by RealSlang February 17, 2021

by ChildishCheetah July 10, 2018

Scottish slang. An insult implying that someone is incompetent, stupid, etc. Can also be used to imply that the person is uncool or can't/won't do what everyone else is doing.
by Belterette July 17, 2011

by mlm95 November 10, 2019

She is a belter in bed
by SculptedPrince June 26, 2016

by the DustRoom February 21, 2003

Man, she is a belter
by speedismyfriend November 4, 2005
