Our folk in my local supermarket are a mixed bunch, but all friendly.
One has clearly taken the need to engage to heart, and he comments on EVERY single item that he scans. 'Oooh, that looks like a nice deodorant' (whilst opening it for a sniff). Funnily enough, he is actually my favourite when I'm in the mood. The poor guy had the misfortune to ask me about my New Year a couple of years ago when I had just lost my closest friend on NYD. He was very discreet as I dripped tears down my face.
Another laughs so raucously you can hear her all over the shop and tells jokes and anecdotes that are not even borderline racist, but I think she genuinely doesn't realise.
And my favourite one is a really nice guy, who chats away, and although he may have had the same conversation 40 times that day already, doesn't make you feel like it.
There was one who I hated, who droned on and on about his degree, and expressed surprise when I told him that I had done my masters at the same university in a similar subject. It was clear he was shocked that they had ever allowed such elderly and uncool people to enter his fiefdom, and probably had me down as a liar. When I saw him I would actively seek out another till, no matter how long the queue. You could still hear him droning though.
Apart from him, and I think he went quite some time ago, I really do quite enjoy shopping at our supermarket. Please keep up the small talk, I for one quite enjoy it, and I promise to keep my answers short and generic 