A human individual under the age of 30. It can also be strongly affected by a specific time, place, or circumstance. IE,

"You're behaving like a squidling"

Someone who is quite two faced and a bad kisser.

a baby squid, also known as a squidlet.

The pre-ejaculate fluids produced by a male squirtle.

The currency of a certain third world village known as crawley down