Fnet

pronounced : fuh-net

a sexual physics act of inserting one's penis (force applied) into the genitals of another. The movement of the person receiving the applied force (AKA Fapp) is the resultant force or Fnet

(Origin is from a South African potato)

I'm going to fnet that girl so hard.
Hey dude! I was fnetting your mom last night

by PigeonSlayer February 7, 2019