contemplate one's navel

/K AA1 N T AH0 M P L EY0 T W AH0 N EH0 S N EY0 V AH0 L/
verb
  1. 1

    To spend time thinking about oneself or one's own interests, especially to the exclusion of others.

Source: https://en.wiktionary.org/wiki/contemplate%20one's%20navel