レッツラゴーMeanings1interjectionlet's goslangdated term1970s slang interjection, a playful variant of レッツゴー, influenced by the manga レッツラゴン. Dated and rarely used today.See also: レッツゴー「レッツラゴー!」と叫さけんで、彼かれはバイクに飛とび乗のった。Shouting "Let's go!", he jumped on his motorcycle.