Fat pig

n.

Any of various small terrestrial isopods having a flat elliptical segmented body; found in damp habitats. Woodlice.

In use

I hates dem durty fat pigs...I hears if ye boils em dey tastes like prawns.

Let Lawrence Muck translate it to posh English for you
Lawrence Muck

Good evening. Would you like me to translate 'Fat pig' in use for you?

I detest those filthy woodlice. I hear if one boils them they taste like prawns.