GM stands for ... ...

[67GTConvert]

General Malfunction

 

[1wild&crazyguy]

Grandpa
Machine

 

[1wild&crazyguy]

Goat
Manure

 

[1wild&crazyguy]

Genitalia
Miniscule

 

[69DARTS]

gay motors

 

[1wild&crazyguy]

Goober
Mobile

 

[440BelII]

General Maintainence or General Mistake

 

[1wild&crazyguy]

Gerbil
Manufactured

 

[1wild&crazyguy]

Great
Misfortune

 

[1wild&crazyguy]

Gynecology
Malpractice

 

[1wild&crazyguy]

Grenading
Motor

 

[Burntorange70]

guttless mule

 

[1wild&crazyguy]

Genius
Missing

 

[1wild&crazyguy]

Gutless
Menstruation

 

[waggin]

Genital Motors ,general mechanics companion,

 

[jomoper]

My Dad always said "GMC means -Gutless Motorized Contraption "

 

[Dartnut]

Gross Misconduct

 

[64dart170]

gay motors

AHAHHHHAHHHHAHHHAAAAH!
(not that there's anything wrong with that!)
AHHHAHHHAHAHHHAHHAHAHAAHH!!!!!!:toothy10: