Wiktionary lists as an interesting possible origin of the German equivalent "ficken" the sound it makes when two things rub against each other ("fffppp, fffppp,

Wiktionary lists as an interesting possible origin of the German equivalent "ficken" the sound it makes when two things rub against each other ("fffppp, fffppp, fffppp"). [0] [0] https://de.wiktionary.org/wiki/ficken https://de.wiktionary.org/wiki/ficken