My feet touch the ground but my head's in the clouds
Geo has two feet on the ground, meaning that he has a good mind and sees the world for what it is, but his head is in the clouds, meaning that he sees the potential for something greater. The cloud imagery follows from the last line, i.e. rain clouds.
To help improve the meaning of these lyrics, visit “The Ave” by Blue Scholars Lyrics and leave a comment on the lyrics box