They can get as fat as you let them
"Like fat sheep" can be considered a simile, a figure of speech used to compare one thing to another by using "like" or "as". In this case, it's comparing sheep to being fat or well-nourished.
Mr strongs sheep is actually a toy cat with a fat head. He calls it a sheep though for reasons we can't post on the internet. Anyway the sheep (which is really a fat headed cat) is named clyde.
A Damara is a breed of sheep that sheds its wool, it is also described as a 'fat-tail' sheep it is used primarily for meat.
If you feed sheep before you kill them, you will have more meat and fat on the sheep's skin to eat! Yum!
lanolin
The fat sheep's name is Shirley. Her last name is Hermiriome. In the episode "Mower Mouth" it shows that Shirley is all wool when Shaun and the goat eat right through her.
Sheep hearts have a layer of fat surrounding them to provide insulation and protection for the heart muscle. This fat helps regulate the temperature and cushion the heart from physical damage. Additionally, fat is a source of energy that can be used by the heart for metabolic processes.
They would live lonely life without anybody except sheep big fat sheep
from thin people who ate too much
tallow
An overfed one.