Exclamative repugnyms are generally acceptable abbreviations of vulgar expressions. Examples of exclamative repugnyms: 1) “mother” from “mother fucker.” 2) “suck” from “cock sucker.”
Homophonic repugnyms were started as tasteless jokes. Because the terms had utility and the tasteless origins were largely obscure, they became common descriptors. Examples of homophonic repugnyms: 1) cockpit; 2) manhole and manhole cover; 3) mail (male) box; 4) Palm Pilot.