a rusty shotgun is when a female is eating out a mans asshole and proceeds to reach between his legs with one hand and begin jerking him off in a cocking motion as if cocking a shotgun; and using the other free hand to caress the man's testicles
We all found out Michael was gay when we walked in on him with his head in Fro's ass, giving him a rusty shotgun.
by Matt dick dennis November 15, 2007
When ones foreskin does not retract from the bottom of there shaft and one requires a warm saopy shower and gentle hands to retact it to operable level above ones penis it is refered to a rusty shotgun.
Craig and rohan went hunting beaver and found there target when fingering the trigger they found their apparatus to be siezed. Thus a rusty shotgun
by craig hibbens March 09, 2014
When a someone is giving you a hearty rim job whilst reaching around and fondling your balls like a gun handle and pulling your penis shaft with the other hand just like cocking a pump action shotgun .. This action is a variant of the rusty trombone
by Spanky667 January 01, 2014