1) The level of how gay something is. yet, gay can be used freely. In these cases gay can be real Fuckin awesome or uber Fuckin gaytarded.
2) A feeling of extreme love.
1 BAD) Jill: The gaydity of this song is off the scale! I hate it!
2) Jon: OMG! I love you! Your gayidity warms my heart!
1 GOOD) Kubo: This place screams gayidity!!!!