Retardouche
A collaboration of the words "retard" and "douche" which ends in a new-born insult.
Person 1: You're fat, ya bunter!
Me: Shut the fuck up, retardouche! Haven't you got some some sharp metal objects to go head-but?
Me: Shut the fuck up, retardouche! Haven't you got some some sharp metal objects to go head-but?