To place the foreskin of an erected penis over a willing partners nose. Ejaculating will then occur into the nostrils.
The person then is to bring up the semen once it's travelled down through the nose into the throat.
Judy was suffering from a cold. She wasn't feeling very horny. Her partner Jeffrey decide to help clear her sinuses & get some much needed sexual release by nosejamming Judy.
To expel air forcibly from the mouth and nose in an explosive, spasmodic involuntary action resulting chiefly from irritation of the nasal mucous membrane.
"I was walking through a field, enjoying the warm summer breeze gently slithering around my shirtless body. Finally I had reached the peak of my journey and suddenly out of nowhere, I had this tremendous urge to nosejaculate, I did. And it was everywhere. :)
Nosatal Pills = No Ass At All Pills. You say this when you see a girl who has no ass but is otherwise hot (ugly girls are ugly so therefore they don't need the pills to have no ass).