Astroturfing is a sex act involving rubbing a shaved head on a partner's vagina or anus for pleasure.

I couldn’t care less (but one must keep up appearances, right?)

the act of creating a small organization and making it appear to represent something popular for the purpose of promoting a particular entity, cause, etc. (a play on grassroots in the sense of a popular movement originating among the common people, ultimately from AstroTurf, a brand of artificial grass)

"Astroturfing" is the act of trying to boost one's image online with fake comments, paid-for reviews, made-up claims and testimonials.

a form of propaganda whose techniques usually consist of a few people attempting to give the impression that mass numbers of enthusiasts advocate some specific cause. This is often done by conjuring up a phony organization(s) that never existed.

The process to apply a faux patch of hair on and around various body parts( such as the face, chest and genitalia) by pre-pubescent boys and girls in order to make themselves appear older than their actual age.

A government ploy that is destroying American discourse.