It's when the man pulls his penis out of the woman's vagina before he can ejaculate.
Secession
Secession
Aspiration
it is supposed to be a little longer after it is all of out of your system
withdrawal
dog sex
the withdrawal method is not a terribly safe method even when it is done right as sperm can escape before orgasm.
Aspiration means withdrawal of fluid by Vacuum or suction
Short term in doctor recommended dosage very little. Long term. Bad withdrawal.
Coitus is the medical term for sex.
Gametes is the term for sex cells and an egg is a women's sex cell, sperm is men's.
Sadly, not everyone gets "proper" sex education, and their peers can come up with strange ideas about sex itself.