Why do we hiccup?

A hiccup or hiccough (generally pronounced "HICK-up" (IPA: /ˈhɪ.kəp/) independent of the spelling) is an involuntary spasm of the diaphragm; typically this repeats several times a minute. The sudden rush of air into the lungs causes the glottis to close, creating the "hic" noise. A bout of hiccups generally resolves by itself, although many home remedies are in circulation to shorten the duration, and medication is occasionally necessary. By extension, the term "hiccup" is also used to describe a small and unrepeated aberration in an otherwise consistent pattern. The medical term is singultus.

While many cases develop spontaneously, hiccups are known to develop often in specific situations, such as eating too quickly, taking a cold drink while eating a hot meal, eating very hot or spicy food, laughing vigorously or coughing, or drinking an excess of an alcoholic beverage. Hiccups may be caused by pressure to the phrenic nerve by other anatomical structures, or rarely by tumors

So, dude, calm down and eat slowly

when the rhythym between your diafram and abunch of other muscles get off beat, the diafram spasms and you get hiccups

i dont noe but it gets annoying

your diaphragm spasms

i got no idea