Both these remedies make the use of cloves and as cloves are readily available in most homes; these remedies can be practiced any time, by those suffering from unstoppable hiccups.
1] Keep 2 cloves in the mouth and suck them. When the Hiccups stop, go to a street corner and spit them out.
2] If suffering from hiccups, accompanied by uncontrollable cough; put 6 cloves in your mouth and chew them. Then spit out the clove pulp remaining in your mouth in the Western Direction.
If suffering from cough, keep 8 to 10 cloves in the mouth will give relief and the coughing will stop.
You could also have a look at theses remedies to control and stop hiccups already given on this site.
Traditional Indian remedy for Hiccups
Mantra for Hiccups in Children
Mantra to stop uncontrollable Hiccups