sew buttons 

An expression used to fill a pregnant pause when someone simply says "so" either as a way to start a conversation (but is not sure what to say) or as a reply to something they are not impressed with.

Also can be referred to as "Sew buttons on your underwear."

Example #1

Girl #1: So...?
Girl #2: Sew buttons.

Example #2

Girl: I just had a 5 minute conversation with Stephen Fry at the mall!
Boy: So?
Girl: Sew buttons.

sew buttons by goellegee January 3, 2014

Sew buttons on a peacoat 

something to say when you dont know what to say

"So...," she said trying to fill the odd silence.
"Sew buttons on a peacoat," the old man replied.

Sew buttons on a peacoat by casper_thegirl January 31, 2022