A character was supposedly 'born straight.'
Then somehow they go through an experience (usually at a young age or extremely tramatic) that causes them to 'turn gay.' (Sometimes just conversed) May or may not be Played for Laughs
Type One: A character sees/has a relationship with someone who is so unattractive that it ruins that gender for them forever.
Type Two: A character
witnesses a Screaming Birth
. Usually Played for Laughs
Type Three: Rape and Switch
. Nearly always Played for Drama
(If any other types could be posted, that would be appreciated)