RBY (fandom slang) Initialism of Pokémon Red, Blue and Yellow. <span class="searchmatch">by'r</span>...
ber Lady, berlady, birladie, <span class="searchmatch">by'r</span> Lady, <span class="searchmatch">by'r</span> lady Blend of by + our + lady byrlady (obsolete) Used as an exclamation of surprise or anger. 1592, Thomas...
and Ed[ward] Blount, published 1623, →OCLC, [Act I, scene iii], page 13: <span class="searchmatch">By'r</span> lakin, I can goe no further, Sir, / My old bones akes:[sic] here's a maze...