2 definitions by Francis

big un

A lad who has gone through puberty earlier than his peers and is taller and looks more dominant in comparison

You've shot up to be a big un my son

by *Francis* May 28, 2007

When a ladies nipples are erect under her shirt and it looks as though she has placed 2 smarties under it.

"hey! Looks like your smuggling some smarties!"
"mmm smarties"
"I'm not surprized you have smarties, it is a cold day"

by *Francis* May 28, 2007