padlocked
Putting your dick up your ass like a padlock, trying to get off. When you cum, it slaps out like the lock is opening.
I padlocked myself in the bathroom. My mom knocked on the door and I screamed, ‘I’m getting my rocks off!’
He padlocked during the meeting. Everyone heard him go ‘Ahhhh!’
She padlocked in the car. The whole bus heard it.