When you fuck someone in tact with certain music.
And from BPM (beats per minute), it goes CPM (cums per minute).
You are like fucking metronome my friend, im proud of you.
Him: (With the song) Staying alive, Staying alive!
Her: A.. A.. A.. AAAAAAA!!!
Cameraman: Ou shit, you are using the metronomy very well! WOW
by Dr. Kastraciq April 14, 2021
Get the Metronomy mug.