1. Cultural mythical figure(s), borne out of man's inherent irrational nature and propensity to anthromorphize his surroundings, often with a Freudian edge.
2. Imaginary companion most humans rarely seem to grow out of. (see delusional, adj.)
3. Common exclamation in reaction to the p***s, mammaries or v****a and the proceedings that follow. (see sex, n. , orgasm, n.)
4. If dyslexic, see goat, n. or dog, n.