Australian slang for an extremely unattractive person, thong's being rubber flip flops, and you can generally imagine what they would look like if burnt.
Shit Bazza, that sheila has a face like a burnt thong.
by Bogs July 22, 2006
Get the Face like a burnt thong mug.
An insult to someone who has a ugly/burnt head, typically used in Australia to also describe aboriginals
"Ya got a head like a Burnt Thong"

"Have you seen steve"?
"Yeah mate, his one ugly cunt, got a head like a burnt thong"
by Op4 November 30, 2016
Get the burnt thong mug.