General   (General discussion, talk about anything.)

so there. I may have made it up, but for all you know they could have been called smacks due to the poor quality of the product, ergo the assistant took a 'smack' everytime the customer was sold shoddy goods.

OR...
the assistant was a volatile beast at the best of times and was often heard to cry, 'Do you want a smack? To which the proprieter rushed out and offered the cusomer a lighty floured and deep fried slab of 'Potato'