grass-eater

Etymology 1

 * applied to bribe-accepting polics by the in the 1970s.

Noun

 * 1) An organism notable for eating grass
 * 2) A fish of species  or, of Africa
 * 3)  A police officer who accepts offered bribes but does not actively seek them out.

Etymology 2
.

Noun

 * 1)  A celibate man, especially a Japanese man, who eschews dating and sexual relationships.