It’s the Boston neighborhood known in some quarters as “Rat City,” and perhaps that sums it up. The Silhouette Lounge, or “The Sil” as regulars call it, is an Allston staple.

A tattoo of a rat drinking a beer can get you free hot dogs for life at an Allston bar. In fact, any tattoo related to The Silhouette Cocktail Lounge in Allston can get you free hot dogs for life ...