look up any word, like yeet:
 
1.
Complete the rainbow is the action of having sexual intercourse with one or more individuals from each of the fraternities on campus. Leaving this way, an entire variety of fraternity colors, like a rainbow.
Claire decided to Complete the Rainbow, thus, slept with guys from each of the fraternities on her school.
by Serena V May 05, 2008

Words related to Complete the Rainbow

complete fraternity rainbow sex slut sorority