Maximumscore

100 emoji: the number one-hundred, written in red, underlined twice for emphasis.

Originating from the number 100 written on a school exam or paper to indicate a perfect score of 100 out of 100.  Teachers in Japan may also use a stamp in addition to the 100 mark, to indicate that a student has performed very well.

This 100 emoji is commonly used as a shorthand for 100%, with the usage meaning “keep it real” or a similar sentiment. A 100 emoji can be used to express pride or general acceptance of an idea.

In Snapchat, the 100 emoji appearing next to a fire emoji indicates a 100 day Snapstreak.