Labiologist

A male who specializes in the study of external female genitalia

After going down on his girlfriend, the guy decided that he was self-proclaimed certified labiologist.

Labiologist by Hotoddee-ChinLick February 16, 2009

loliologist 

A person who studies lolicon or is an expert in loliology.

Danny wants to be a loliologist when he grows up.

loliologist by Bloopy February 4, 2006

lashologist

/laSH’ äləjəst/
noun
A creative beauty professional, consultant and licensed esthetician that has expertise in all things related to lash health, design, and application...OR...your homegirl that has watched enough YouTube videos and she can snatch your edges, design your brows and put on lashes like a pro.

My lashologist convinced me that faux lashes can have more volume than eyelash extensions.

lashologist by Traymark February 5, 2020