giggle like a schoolgirl

giggle like a schoolgirl

To giggle or laugh uncontrollably because of something silly, immature, or embarrassing. Dirty jokes like that always make me giggle like a schoolgirl! I was so flustered when Dean started flirting with me that I was giggling like a schoolgirl by the end of our conversation.

See also: giggle, like, schoolgirl

Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.