Self-pleasing

With such self-pleasing thoughts her wound she fed, / And thought so to beguile her grievous smart […]

Source: wiktionary

This, once again, is the art of introspection and stubborn, self-pleasing originality.

Source: wiktionary

Even today, the thought is "good girls don't, but good boys do." The reality is, girls, like boys, are curious about their bodies and may experiment with self-pleasing.

Source: wiktionary

Imagining the neighbors could be doing the same will automatically add new potency to your self-pleasing.

Source: wiktionary