What is the meaning of Poppen?

to play with puppets

to play (games etc.) in general

to court and/or have sex

to show off

to make or provide (a) puppet(s) etc.

to make the sound of a coot

to stammer

plural of pop

to have sex; to fuck

to play with dolls

to pop; to surprise; to impress

to pop as popcorn does

definite singular of pop

mooring area of stern on ships

plural of pop

Source: wiktionary.org