SFS (Sonic Fan Syndrome) is when a person or community of people gaslight themselves that a bad product or franchise is actually good.
by anonymous March 13, 2022

by tomatolovererererererrerer December 27, 2021

When your banging your partner and then soon you start shoving your penis into her anus, and you try to shove it until it touches her sphincter, and then after minutes of shoving, you cum a painful stream into her anus. Named after the aerial stunt from MLP: FiM.
Last night, dude, I started giving your mother the sonic rainboom and she was like, "OWWW!!! STOP IT!!!!".
by A Really Bucking Fastard January 17, 2013

The sonic pc port is a creepypasta which was reacted to become a game the antagonist is Lord x who is actually a stronger being than the original sonic having the ability go grow arms out of his mouth which are murderous ontop of this he also has the abilities of both sonic.exe and original sonic (super strength, speed .etc)
by Leon_dictionary March 16, 2022

Someone calling handsfree with an ear-chip or earcuffs who falsely assumes s/he's alone in an elevator, bus or public space, causing sonic environmental harm.
The woman was shouting at her invisible interlocutor, and people started turning pale, nauseated by this sudden sonic privacy leak.
by RomulusKesher July 13, 2012

YOOOOOOOOOOOOOOOOOO I JUST MET SONIC HOLDING A SHOTGUN!1111!!!!!\
AHHHHHHHLDSFJL;ASD;KLFJKDJ FFJASJDFL;KSJD;FUWEA FZNCJLVNCXVNISDCIPWDSJFJWASFMAS;JFC;EFNESALF
AHHHHHHHLDSFJL;ASD;KLFJKDJ FFJASJDFL;KSJD;FUWEA FZNCJLVNCXVNISDCIPWDSJFJWASFMAS;JFC;EFNESALF
by gcjjfm January 24, 2022

A sh!tbox car is one that is worn out car that is falling apart, litterally leaving a trail of parts down the highway.
The sonic part comes from the fact that this car is equipped with a fart cannon muffler. the term sonic sh!tbox usually implies that the car is eurotrash.
The sonic part comes from the fact that this car is equipped with a fart cannon muffler. the term sonic sh!tbox usually implies that the car is eurotrash.
tom: gee i gotta work on that junk car of mine, dang 500 dollar sway bar bushing is shot
andy: 500 bucks for a sway bar bu...HEY, you have a fart cannon on that Saab?
tom:oh yea, alll these expensive parts means i have no money for a real muffler
andy:yep, that's official, Sonic Sh!tbox
andy: 500 bucks for a sway bar bu...HEY, you have a fart cannon on that Saab?
tom:oh yea, alll these expensive parts means i have no money for a real muffler
andy:yep, that's official, Sonic Sh!tbox
by tghnjolk,mdfe April 3, 2013
