noun. sexual slang, 1980s. The sticky mess comprising of menstrual blood ("the egg") and semen ("the nut") which results from intercourse with a girl during her period.
Aleksandra didn't think anyone would want to screw her during her "time of the month", so she was surprised when a john offered to rawdog her anyway. The dirty deed completed, the only thingleft for her to do was squat over the crapper and queef the eggnut out of her pussy.