1. Adj. A Yankee fan who never shuts up about the Yankees.
2. Adj. A Yankee fan who talks shit even when the Yankees lose.
3. Adj. A Yankee fan who wears more than 1 piece of Yankee apparel in public.
1. Him: "The Yankees are fucking awesome bro!" You: "It's December, don't be a fucking Yankee Bomber."
2. Him: "The Red Sox are terrible, they can't win for shit" You: "Fuck off you Yankee Bomber, The Red Sox just beat the Yankees 10-0."
3. You: " Yo Danny, look at that fucking Yankee Bomber over there."