acoustic bike 

An idiotic term made up by e-bike enthusiasts on Twitter who are too stupid to pick up a dictionary and realize that the term "acoustic" has to do with only sound or music.

Moron: Check out my new e-bike your acoustic bike sucks in comparison.

Smart person: Does it look like my bike makes music!?

acoustic bike by satrain181 June 29, 2021

Acoustic pussy 

When you do it so good that her vag sings to you. Opposite of electric pussy.

“Fucked her so good i heard halo by Rihanna. She’s got an acoustic pussy for sure”

Acoustic pussy by Lovebot March 1, 2023

Acoustic chick 

A girl who plays a acoustic guitar or loves acoustic guitars

that chick rox on that acoustic guitar

Acoustic chick by guitar-princess March 25, 2005

Acoustic Smoking 

The act of smoking normal, none electronic fags.

Girl: You told me you'd quit smoking!

Hipster: I have! I'm vaping now. Acoustic smoking is too spendy.

cigaretteacoustic smoking vaping

Acoustic Smoking by EmberYoung October 13, 2016

Acoustic Fap 

When there's a power outage, but you printed out a bunch of nudes that you keep in a binder under your desk.

See also: Jerk-off unplugged

During Hurricane Sandy, I had a number of acoustic faps.

Acoustic Fap by Maxil April 4, 2017

Acoustic Heel

The bottom part of one heel that fell off, causing a loud clanking noise, that slightly resembles an instrument in a percussion band.

“Oh no! My heel broke on only one shoe. Now I have this loud acoustic heel”

Acoustic Heel by Deesz_Nuttsz November 11, 2018

Acoustic Dark Energy 

A framework introduced in 2019 to explain observations about the universe and the dark energy believed to be contained within. Characterised by a somewhat complex equation of state.

"Hey Varun, did you hear about this new acoustic dark energy framework?!"

Acoustic Dark Energy by dazz - "the whitest of whites" August 27, 2019