Technical debt is a metaphor created by Ward Cunningham, an American computer programmer:
For example, if you want to start your own business, but do not have enough personal savings, you may opt to take out a loan with a bank. In this case, you incur a small debt now in order to acquire a potentially larger reward later, when your business generates a profit.
Likewise, you may decide to incur some technical debt in order to capture the First-Mover Advantage (FMA) to ship a feature before your competitors go ...