وَيْلٌ  (Woe): means parish or punishment.

There are two Surahs in the Holy Qur’an that starts with the word (Woe), Al-Mutaffifin and Al-Humaza:

{ وَيْلٌ لِّكُلِّ هُمَزَةٍ لُّمَزَةٍ}

(Woe to every scorner and mocker.) (Al-Humazah: 1)

The first one relates with people’s money and the second one relates with their honour.

We can notice the beginning of Surah Al-Mutaffifin with its strong threat that combines all types of punishments for something people may consider it trivial.

الْمُطَفِّفِينَ: Who give less in due and get a little more than they deserve.

The Surah begins with strong threat and frightening intimidation to whoever get this little more, to indicate that it is not a little at all for Allah (swt). Only the vile souls seek richness at the expense of others. Then the context explains who are the ones who give less than due: