What does Y/- mean?

Why not? can be abbreviated as Y/-
Other shorthands for Why not? are: AWN, N/A, NRND, NACHOS, LHOOQ, H0H 0H0, N2MH, NAFK, N4U, NACTAC, N/AV, NAFAIK, NIMFY, N.C.E, XiiO, ND, NRFND, N2MHJC, NM, NAIIU, Nbfr, NAGBT, NIMTOO, NYET, NA, NBFF, NAGL, NIMTO, NAWALT, NARU, TV-14, NTBU, NA, N/A, NAEB, NB, NSFFB, NLOW, N/A, NQOC, NEET, NOMEL, NM, NALOPKT, NOKD, NAP, NN, NTRW, NFI, NAND, NR, NFW, NBL, NAB, NAPOTS, NS, NTOB, NOTTOMH, Sic, BN, NADT, NEOBIG, NFS, NAGI, NAK, GABBA, NAHW, NNITO, NIGO, NTIMM, NTIBOA, NIMBI, NTU, NFN, N2M, N2M, NAHM, NTIKO, NATBSB, NFYE, NFA, MITRE, NTTAWWT, NYDJ, NGTW, NERD, NAPWAD, NASA, NRFPT, NFS, NBSI, NS, NoSQL, MySQL, NIMQ, non-, BNA, NEGL, NTYA, INNTW, NFH, NEDM, NXOR, NCS, NOYN, N/R, ND, NWS, NCNL, NNRN, yn, NHN, NEI, NDITB, NMNM, NCA, BNDY, NSBD, NYP, BNR, NFM, INP, NFT, NQOKD, NAABSA, NALTD, NSFAQ, NOMT, N/S, NIMEY, NEF, NBY, NAH, NRPTS, NAB, NFW, NJTH, NTILI, NNOBI, NCRMD, 501, WNTW, IYNSHO, NinP, NA, NC, NGRI, NYRTS, NAM, NATO, NAFW, NH, NFY, NFBSK, NOR, NKATA, NR, 406, NGT, NONY, NUMBY, NYUB, NO, WN, NRNA, NIMJD, NAMBY, NEC, NARP, NNF, ynt, INNW, NEET, NR, NGBRI, NDY, NIABY, NSFAP, NP, NTB, NEI, NWOR, NM, sifn't, NRUNRW, NDTS, NA, NQOCD, NHFT, ND, NGTF, NESOI, NBY, NBTSC, NTTAWTT, NP, N/P, NMSAA, NFI, NATM, NYAJ, NCNGD, NN, NSFMF, NIMBL, NLOL, NTIAO, NETTEL, EYT, NULLO, NSFWOS, 304, NP, NMCMS, NEC, NG, FTNITK, NHCCL, NMPA, NCR, NALGO, NGT, NIMBYS, NAFT, NV, NMGOH, NHJ, NA, N/C, NBTW, NED, NFCOJ, NA, NASCIH, ND, NAR, NESI, NLD-DOM, NFAA, NFE, NRFPTP, NITBY, NFE, NHE, NAC, NTBCW, NARN, NGTD, NIMN, NC, NALCO, NFG, ND ND, NFC, NFTA, NOMW, NEMO, NEFC, ANN, NFAQ, NMIAOW, NC, NFE, NIPR, NIICHI, NTPTFAPOI, NHI, NAA, NARC, NIAMY, NE, NIONSC, NAS, NNTN, NBI, N/R, NA, NQOT, NEA, NIU, ND, NDBLO, N/D, NWHNRN, NYATG, NATSBOG, NHMBA, NTTIAWWT, NTYAB, NESOI, NET, NGT, NC, NC, NVGIB, NC, NAGT, N2B, NSF56k, NBF, NIB, NFY, NFD, NHHG, NCA, NFFP, NFTS, NROK, NATLBSB, NORSAIR, NxFnR, NAT, BNTH, NM, NJAPF, NHH, NAMP, NFY, NJFV, NION, NATOPS, NAFB, NTBTS, NABA, NOCONTRACT, NA, NAA, NFS, N/K, NFQ, N/N, NMCMU, N/P, NFW, NATA, NE, NOONG, NIB, NARCF, NOHP, NE, NR, NFI, NAINA, NR, NR, NDY, NVBB, NATO, NIMN, NG, NSFATV, NN, NALTS, NFRU, NQEI, NGS, NAN, NRFTICP, NFC, NFA, NQAYP, N/E, NITBAFS, NAIV, NDH, NHEHS, NIYOBY, NPOPR, NJFP, NN, NAS, NFT, NABD, NFI, NFI, NARG, NBR, NAPL, NEEM, NJAA, NEM, NBE, INOAVNOT, NHAC, NFA, NAE, NITV, NJAE, NTBUSWAB, NALT, NFG, NFGP, NFA, NFPBA, N, NHMB, N/M, NN, NTBCAMA, NCT, NTIMMOAD, NAMD, 510, NJAMD, NFFP, NPWAFD, NMJCY, NGAA, NIB, NHP, NFG, NAGD, NR, NMOR, NATOPS, NIOT, NSAHB, NESFITBNLTSFT, NDOM, NCN, NDAC, NONTSDSL, NAT, NATM, NABB, NJAF, NAFE, NEI, NBM, NHHO, NCP, NR, NHC, NHFF, NAA, NGAD, NS, NFG, NOGO, NAC, NAD, N2G, NOHOL, NHCT, N/E, NR, NHHT, NFI, NFHC, NS, NFPE, NABE, NCW, NDEF, NAnt, NIOH, NDA, NFIDC, N/T, N2W, NS, NEARS, NDFC, NAFAL, NHC, NAP, NAFT, NCS, NIA, NAT, NET, HNTB, NID, NE, NH, NAP-D, NW, NR, NG, NFW, NAPS, NE, NCP, NAM, NFN, NCUW, NAD, NAT, NIO

Q: A:	What does Y/- stand for? Y/- stands for "Why not?".
Q: A:	How to abbreviate "Why not?"? "Why not?" can be abbreviated as Y/-.
Q: A:	What is the meaning of Y/- abbreviation? The meaning of Y/- abbreviation is "Why not?".
Q: A:	What is Y/- abbreviation? One of the definitions of Y/- is "Why not?".
Q: A:	What does Y/- mean? Y/- as abbreviation means "Why not?".
Q: A:	What is shorthand of Why not?? The most common shorthand of "Why not?" is Y/-.