A term for a small gay male who acts dominant or aggressive in public, however, if the situation turns physical they tend to rely on their partner or husband to deescalate the situation or if single will run and pretend the situation never happened. A Chihuahua is also the type of gay male that will "bark" or "holler" at nearly anything in a public space because they seek the attention and approval of others or in general require everyone in the room to know they are there. If a Chihuahua has a partner they melt at the sound of their partners voice and has a tendency to do anything they're asked by their partner, They are an extremely emotional person.
Did you see Thomas at the drag show last night with his boyfriend? One of the performers was looking at his man and he acted like a total Chihuahua.