[luser] Punny cross between loser and user, can mean either of […]

[lust for] {v. phr.} To physically yearn for; hanker after; want […]

[luxury] See: [IN THE LAP OF LUXURY].

[LYK, LYKE] "Like"

[LYL] "Love ya lots"

[LYLAS/LYLAB] Love you like a Sister/ Love ya like a Brother

[M.C.] or [emcee] {v.} To act as master of ceremonies at […]

[M473z] "Mates" pronounced may-tez, a term referring to a good friend, […]

[M8] "Mate"; as in "buddy" or "pal"

[mackerel] See: [HOLY CATS] or [HOLY MACKEREL].