3. Or: daddy-o / sugar daddy , in the gay US, a nickname for an older man who supports his lover and/or who showers his younger lover with gifts. In his humorous dictionary The Penthouse Sexicon (1968) Frederic Mullally defined: -- DADDY: ' Girl's best friend.' -- SUGAR DADDY: ' Well-coated girl's best friend.'
4. In BDSM, the imitative role of a kind but firm parent taken on by a dominant in punishment scenes.