What does lol and bitty mean? It means you are on a knitting blog.

A few young people I know use these terms a lot: lol and bitty. Lol means laugh out loud or lots of laughter. And according to chacha dot com "bitty is a term for an attractive female, but is not used as a direct compliment or pick up line, it is casual."

However if you are on a knitting blog bitty can mean....

You are a lean mean itty bitty hat making machine
click here to see the knitter's post where this picture came from