flowback

the biological term used by sexologists to describe semen leaking back out of the vagina after unprotected hetero sex is flowback

I rolled over into the wet spot, woke up, and cursed the flowback.

flowback

Sex juices, particularly semen, that head downhill due to gravity if a women stands after sex.

I tested my daughter's panties with a kit from www.infidelitytoday.com and found something that shouldn't be there.

Flowbacking

the act of pushing cum back into your girl with your fingers when it starts to run out

I didn't want to waste a drop of my cum so i started flowbacking her pu$$y

Bloody Flowback

Bloody Flowback(noun) is the term used for the substance that comes out a woman when you are having intercourse. When she is "on the rag" once the male has had his fill and finished unleashing his manly fluids inside her, the red/white cum/blood that comes back out is Bloody Flowback.

"Aww man I got Bloody Flowback all over my parents new sheets!"