Noun
1. When an insect or other small mammal lays their eggs within moist confines of a womans vagina. The eggs remain there for the entire gestation period and usually hatch or emerge at the most inopportune time.
Q: "So, Lisa, tell me, did you have sex with Rodney yet?"
A: "Yes, we did it the other night in the dark for the 1st time and I'm hoping he didn't realize my vagincubation, even though the swarm of flies covering the window was a dead give away."