Top definition
A female bollock-bulge.

See also fanny-clam and monkey's-chin
"Wow! Look at the bollock-bulge on that bint"

"Yeh, real beetle-bonnet on that one mate"
by Marko The Great September 07, 2004
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2
the large area of fanny clam shown when a chubby girls wears leggings or cycling shorts. resembles the shape of a VW Beetle Bonnet.
fanny clam camels hoof mooseknuckle Beetle Bonnet
by smutty July 29, 2009
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