Yes, because it's a nickname. "Miss Smarty-Pants" or "Miss Smartypants" would work.
You only need to capitalize it if you are using it as a noun, or as a name.
No, you do not capitalize the word drama.
do you capitalize roaring twenties
do you capitalize the word protestant
Yes, you always capitalize "Cuban."
smartypants
a smartypants ducky
Capitalize Miss and learn to spell "Havisham". She wears a yellowed old bridal gown.
smartypants :D
Sabidona (f), sabidão (m)
Wisdom teeth
smartypants
Se cree muy listo.
3 miliseconds- posted by smartypants
You only need to capitalize it if you are using it as a noun, or as a name.
Duck Dodgers - 2003 Duck Codgers Where's Baby Smartypants 1-4 was released on: USA: 13 September 2003
Yes, I can name one thing. A cuboid. What the hell is a cuboid anyway smartypants?