('Brit') Going to the circus would be a bit of a 'giggle'. [=would be amusing or enjoyable]
I had an attack of the 'giggles'. [=I was unable to stop giggling]
She 'giggled' like a little kid.
(..) - Frankly, a bloody awful cabbie. That's true, he was a bad cabbie. You should have seen the route he took us to get here. Stop! We can't giggle, it's a crime scene. Stop it. - You're the one who shot him. - Keep your voice down! Sorry, it's just, erm...nerves, I think. Sorry. (..)2010 TvShow: Sherlock Title: A Study in Pink Season: 1 Episode 1