crusty bloomers
An unwashed pair of old ladies' knickers which have been worn for so long without changing them, they develop a layer of crust on the inside.
Edith struggled for half-an-hour or more to peel off her stinking crusty bloomers from around her mid-riff.
"That was worse than peeling gaffer tape off a foam mattress", she remarked.
"That was worse than peeling gaffer tape off a foam mattress", she remarked.