Boola Boola is a cheer used by students and alumni of YALE University. The crossword solutions for the term Boola Boola are ELIS (4 letters), ELI (3 letters), YALE (4 letters), YALIE (5 letters), and RAH (3 letters). ELIS is an acronym for Every Loyal Son of ELI, referring to ELI, the nickname for YALE. ELI is a shortened version of ELI. YALE is the name of the university. YALIE is a term used to refer to a student or alumni of YALE. RAH is an acronym for Rah, Rah, YALE.