Definitions by penis beaker

filling the beaker 

Intending to have intercourse later on. From a rather popular Mumsnet thread, "Do you dunk your penis" about post coital clean-up.

Will you be filling the beaker tonight? I'm feeling a bit frisky.

filling the beaker by penis beaker October 10, 2013

cock cup 

Synonym for penis beaker. Not to be confused with cockup.

Thanks love, that was great but a bit messy. Pass the cock cup.

cock cup by penis beaker October 10, 2013