Sentence Fragments Or For the Birds 
Lyric in a Porter song {and theme}
BIRDSDOIT 
One theme is the intended bird words in three phrases: LAY, HATCH, and FLY. The other theme seems to be nine sentence fragments:
I MAY, MAKE IT IN, GLAD TO, ON ME, HI YA, I MAY, LETS GO, SO I, and OUT DRAWRATING:
Three grins = Excellent: Loved it; Two grins = Good: Enjoyed it; One grin = Satisfactory: A bit bland for my taste; One teardrop = Unsatisfying: No fun
