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Someone who is typically slow (like a milkfloat) minded and could often be referered to as an invalid.
Guy: Mate, dat bitch didn't even pre heat the oven before cooking her ready meal..
Friend: I told you, proper fucking milkfloat.
by Page4LFC17 February 01, 2013
slang term for a woman with large brests

"Look at milkfloat over there"
by Jamesd123 April 26, 2007