Reference article
Coffee (Duck Life 9: The Flock)
Drink this in a race to get a big boost - followed by a crash!
Obtaining
Talk to 
Shawna in 
Quackbeard's Cove; she gives you your first Coffee. To buy more, complete 15 
Mallard Smuggler Tasks for Platy to unlock this item in the Smuggler’s Shop. Buy it for 
100 each.
Using it
Gain a four-second rush, followed by a crash. The crash slows or knocks down the duck according to its current activity. Time it around the course so the crash does not undo the benefit. Select its ability button during a race when it is ready. Each activation uses one item from your bag.