Top definition
When someone is really precious and adorable ie nerdy and cute. They just make you want to say aaaw because they are such a cute little gentleman. They are not fit and you don't fancy them (diamond) but they are almost as precious hence gem.
Holly- Harry just held the door open for me

Eleanor - what a gem

Libby - Connor fell over in the hallway today
Jess - what a gem
by Youragem November 02, 2015
Get the mug
Get a what a gem mug for your buddy Nathalie.

Available Domains :D