It also can be used to describe an incredibly hot, yet smart girl.
They're very delicate with everything they do; from finishhing projects to eating. Taking much time to complete things.
Alannas pop out at you at any given moment, so be ready!
person 2: "I know. she's such an Alanna! I wish I was brave enough to be like her..."
Also commonly used as a pet name for a girlfriend/fiancee/wife in Ireland.
"Holy shit, she's def an Alanna"
"Smart and pretty? Watch out man, that's an Alanna right there."
Girl- Bro, I didn't know Alanna's Boobs took a trip to California.