Twist one off
To discribe masturbation or masturbation with aimed ejaculation
I twist one off to your sister last night
I twist one off on your sister last night
I twist one off on your sister last night
Twisting One Off
When a man masturbates.
Friend: What are you up to today?
Man: Not much, just sitting here twisting one off.
Man: Not much, just sitting here twisting one off.