Urban Dictionary defines the phrase “I'm gonna cum!” as one “used during the act of sex or masturbation, usually exclusively used by men.” On Girls Ask Guys.
This mixture of fluid and sperm, known as semen, is what is moved through the urethra and out the penis during orgasm. RELATED: 7 Healthy.
1. Arousal The man perceives something or someone that prompts sexual interest. That perception prompts the brain to send a signal down the spinal cord to.