assmosis en · NOUN
Etymology
Blend of ass + osmosis. Compare ass-kissing and ass-licking.
Meanings
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(slang, uncountable, vulgar) The act of gaining favour or advantage through sycophancy.
On the professional end, some teachers can become disillusioned by the political game playing in public schools (you know, how certain teachers get promotions by "assmosis" rather than hard work).
1999 January 8, jnrbaer, “Re: Beware of Trivial Progress”, in bit.listserv.autism (Usenet):