it's self-explanatory you sped phrase invented by d4 and jabare and was popularised by insistic.
If you EVER use this phrase.. you have to pay the three individuals mentioned above a sizeable sum of money. The specifics can be discussed privately.
1. Dude i thought it was a woman but it turn out she had a wom-enis
2.Adam: her clit was so big its like she had a little penis.
Mark: you mean a wom-enis