A guitar child is somebody who is retarded or acoustic in short it's a more polite way of saying autistic
by The Invisible man July 7, 2017

David: "Where were you the night that Jackson fell off of his scooter at 20 mph"
Mark: "I was in my basement really high playing guitar"
Mark: "I was in my basement really high playing guitar"
by WadedVinos July 17, 2020

When a gentleman is sitting down and masturbating while he's fingering his lady there is standing up so it look like he's playing a guitar
Gentleman: I really dont feel like having sex tonight honny. Can't i just masturbate in peace.
Lady: Come on baby. Can't you atleast make the guitar so i also can get som fun?
Gentleman: Fine.
Lady: Atleast i will get something bigger than your dick tonight.
Gentleman: .....
Lady: Come on baby. Can't you atleast make the guitar so i also can get som fun?
Gentleman: Fine.
Lady: Atleast i will get something bigger than your dick tonight.
Gentleman: .....
by The_dirty_poet May 27, 2016

by dhar woman January 15, 2023

when you're in hell, Satan will sometimes announce Guitar Hero Thursday if he's ran out of torture to give to folks.
Steve: hey, you gonna be there for guitar hero Thursday this week?
Jeff: nah, Satan and I have some unfinished torture to get to
Jeff: nah, Satan and I have some unfinished torture to get to
by TrugoyDaPriest March 10, 2019

by thecoolestguitarplayerverr October 20, 2021

Nickname for an asshole you work with that pisses everyone off while always wearing flannels and hair long enough to pass below his own nipples.
Yo, guitar hero, over here is a prime time example of how to fuck over anyone and everyone while thinking his shit doesn’t stink. He looks like he should work at guitar center.
by Flash Flash Hundred Mile Dash November 10, 2021
