Duffy's across the street from the 9:30 Club (aside: get yourself to the 9:30 Club in the next few months as the opening of Anthem has got to be the next generation of the 9:30; I think their days on V Street are numbered)
Meridian Pint is doing half priced nachos and $5 beers I think
Lucky Bar near DuPont Circle is always a good choice for sports