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

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/-.