What is backer-up and what does backer-up mean? Read about the definition and meaning of backer-upbacker-up Add your own definitionBacker-up is a supporter, a backer Etymology & Origin of backer-upSimilar words backerRelated storiesSee more #categoriesAbbreviationsAfrican wordsArabic wordsCantonese wordsCrypto slangDutch wordsFeaturedFrench wordsGerman wordsHindi wordsItalian wordsJapanese wordsLatin wordsObsolete wordsOld English wordsPolish wordsRare and unusual English wordsRussian wordsSlangSpanish wordsTopicsTurkish wordsWeb3.0 & metaverse wordsWord of the Day