sandbagging

noun
  1. the act of deliberately underperforming or concealing abilities to gain advantage
  2. Usage: informal
  3. the process of placing sandbags for protection or fortification
  4. Usage: literal usage
verb
  1. to deliberately underperform or conceal one’s abilities to gain an advantage later
  2. Usage: informal; sports and competitive contexts
  3. to place sandbags as protection against flooding or as fortification
  4. Usage: literal usage

Examples