Duck stash 

The mustache-like plaster of sticky feathers left on the upper lip of someone who has just blown a duck.

Person 1 "Dude, I hate when you eat soup for lunch!"

Person 2 "Why?"

Person 1 "Because it gets all caught up in your duck stash! You are so f**king fowl!"

Duck stash by NoFanOfTodd January 14, 2011

duckstache 

a shadow on your upper lip created by making duck face that makes you look like you may have a moustache

A: oh, is that a moustache above her lips?

B: no, it's a duckstache

duckstache by whothehellareyou January 7, 2011