a word used to describe anything that works without electricity. It can also refer to doing anything without using electronic gadgets, or something old fashioned.
" My grandpa has an acoustic 1930's phone."
or
" Fred didn't ask Liz out on Facebook, he did it the acoustic way"
or
" Fred didn't ask Liz out on Facebook, he did it the acoustic way"
by MamaGramma March 5, 2010

Ralph: "Wow, Jenny sure does have nice boobs!"
Rodney: "They're not great acoustic though man. Big let downs..."
Rodney: "They're not great acoustic though man. Big let downs..."
by Ahleeks March 30, 2011

by spencershadows January 9, 2009

by Administaratorororor November 11, 2019

Real, not artificial; technologically and stylistically simple, like acoustic vs. electric guitar music.
by octopod November 12, 2003

by whatever454 April 27, 2009

by lavie-boheme September 28, 2012
