great googly moogly Share definition Flag Utterance of great surprise. Common in blues songs, made more popular by Frank Zappa in the song "Nanook Rubs It" from Apostrophe in 1974. This chrome plated megaphone is $40.00? Great Googly Moogly! great googly moogly by MasterOod March 2, 2005 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug