Do you have a great trick for hiccups that always works for you? What else?
I have three methods to cure hiccups. They all have a great success rate and where one fails another will succeed. It's not 100%, but probably around 90%.
1) Lie down flat on my stomach. This stretches my stomach muscles and as hiccups are generally muscle cramps seem to help them relax. Counter-intuitive as what I really want to do when I have bad hiccups is to curl up in a little ball. But it works.
2) Stand up straight. Sitting up doesn't work, I have to actually stand. Raise my head and look up (again stretching the muscles) and count off my breathing. Holding a finger on my lips seem to work also, but I have a feeling that's placebo more than anything else

3) Get my husband to kiss me

This seems to be related to 2). My husband is 30cm taller than me, so I automatically stand up straight and raise my head when he kisses me
