What does 99999 mean?

99999 meaning in Urban Dictionary

99999 could be the 99999th integer from zero (0). It is composed of five sequencial nines (9) and is one unit amount significantly less than the quantity 100000, which will be written as you Hundred Thousand in long-form English. Often mistaken for 99998, that is one less than 99999, as well as 2 under 100000, and is the 99998th integer from 0.