sneaky big
To actually be larger than first thought or to have the ability to hide it well.
Employee #1 Damn, did you see that new HR girl?
Employee #2 Sure did! Saw her bent over the candy bowl, dominating it. She's sneaky big!!!
Employee #1 No way! She looks hot!
Employee #2 Look, there she is now, at the candy bowl again. Check out that backside.
Employee #1 Damn!!! Never noticed it before, she is sneaky big!!!
Employee #2 Id still hit it though!
Employee #1 Not if I was on it first!!!
Employee #2 Sure did! Saw her bent over the candy bowl, dominating it. She's sneaky big!!!
Employee #1 No way! She looks hot!
Employee #2 Look, there she is now, at the candy bowl again. Check out that backside.
Employee #1 Damn!!! Never noticed it before, she is sneaky big!!!
Employee #2 Id still hit it though!
Employee #1 Not if I was on it first!!!
Sneaky big tits
Girls who don't appear to have large breasts in their daily wardrobe but then when seen dressed to go out do, in fact, have bodacious ta tas.
Usually she wears hoodies but if you'd seen her at the club you'd know she's a sneaky big tits.