No, that is a statement, and it isn't correct grammar. The sentence should be 'he's getting skinny' or 'he is getting skinny'
Anyway, skinny is a slang term, and it should be very slim or anorexic
Bethenny Getting Married - 2010 Skinny on the Skinny 2-11 was released on: USA: 9 May 2011
feed it. feed it.
First you go to the store, find your size, then put them on. If they aren't skinny try getting a smaller size.
Getting a tooth pulled is like getting a shot.
getting your tooth pulled is like being injected with a needle.
A different way than getting a guy to ^_~
A simile.
Strength training
Don't try getting skinnier unless your doctor says it is okay.
A metaphor
The books which would help to explain how to get skinny are as follows: Eat Yourself Skinny! which was written by Dr. Oz, Skinny Rules to Getting Skinny Today by Bob Harper, 8 Rules "Big Losers" Never Break which was printed in Readerå«s Digest and Your Fat Can make You Thin which can be purchased from Amazon.
It is a simile.