RBUs abbr. stresses
idiom.	лафа (c) VLZ_58 см. rainbows butterflies and unicorns 'More)
English thesaurus
RBU abbr.
abbr., el.	remote buffer unit
abbr., med.	Robertson-Bergen Unit (amatsyuk)
RBUs abbr.
abbr., earth.sc.	reflection-bounded units