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1.
(Noun) Two or more occupants of a residential building with adjacent rooms who constantly compete with one another's sound systems, particularly using the Subwoofer.
Neighbor 1: "Why the fuck are (Residents') basses up so loud?"

Neighbor 2: "Looks like we got ourselves a basswar. Even the kid downstairs is in on it. I saw him get a big package from the UPS guy today."

Neighbor 1: "Time to move."
by Marty P. Mustang October 26, 2011