Probably an onomatopoeia (compare to English pop and poop, respectively). In the sense “to fuck” related with western German poppen.
poepen
Inflection of poepen (weak) | ||||
---|---|---|---|---|
infinitive | poepen | |||
past singular | poepte | |||
past participle | gepoept | |||
infinitive | poepen | |||
gerund | poepen n | |||
present tense | past tense | |||
1st person singular | poep | poepte | ||
2nd person sing. (jij) | poept | poepte | ||
2nd person sing. (u) | poept | poepte | ||
2nd person sing. (gij) | poept | poepte | ||
3rd person singular | poept | poepte | ||
plural | poepen | poepten | ||
subjunctive sing.1 | poepe | poepte | ||
subjunctive plur.1 | poepen | poepten | ||
imperative sing. | poep | |||
imperative plur.1 | poept | |||
participles | poepend | gepoept | ||
1) Archaic. |
See the etymology of the corresponding lemma form.
poepen