A person who has no actual schooling or training in having sex but feels that they know enough about sex to make them an expert and offer people advice.
First mentioned in the movie "The Ladies Man" when Leon Phelps is describing his qualifications for being able to give people sex advice.
Man 1: How do you know that women like being spanked while listened to Al Green?
Something that makes you happy in the pants, thought not necessarily in a sexual way. Sometimes, though, it IS in a sexual way. Other times it's just because you're happy.
"When I saw him pass, it just make my poontang quiver!" (Sexual)
OR!
"Thank you for those chocolate chipcookies! They made my poontang quiver." (Just plain happy.)