Acoustic

a musical instrument which produces its normal sound through the sounding board and is not amplified in any way

Mumford and Sons is an Acoustic Band, that uses all Acoustic instruments.

by ilovemumfordmorethenanything September 25, 2012

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Acoustic

A person who has autism.

Wow! Would you look at that guy, he is proper acoustic.

by JenoBeno October 09, 2023

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Acoustic

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"

by MamaGramma March 05, 2010

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Acoustic

Seeing a pair of boobs with no bra. A naked pair of breasts.

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

by Ahleeks March 30, 2011

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acoustic

1) A musical instrument that is not electric
2) A musical performance that uses no electric instruments (aside from microphones and similar amplification)

1) Jimi Hendrix played an electric guitar on the song "Purple Haze", but Paul Simon played an acoustic guitar on Simon & Garfunkel's "Mrs. Robinson". Techno and dance music uses electric drums, but rock music typically sticks to acoustic drums.

2) Eric Clapton's band did an acoustic show on "Mtv Unplugged".

by Bill M. August 27, 2004

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