It means little girl, wee(little) lass (girl)
I have always been a shy person ever since I was a wee lass
by Dunney Timilehin July 29, 2015
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It is a Scottish slang for a hot young girl, where wee is roughly translated as small or little, but in this case as 'young'.
I scored a fit wee lassie last night mate!!
by Sam192011 December 13, 2016
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1. (noun) a young girl, from ireland or irish heritage.

2.(awesomeness) our word.
1. Erin: i'm a wee wee lass.

2. Mary: a wee wee lass.

*hug*

Eric: will you be my girlfriend?

Mary: yes

*kiss*
by supawomen June 27, 2010
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