sod (n.1) Look up sod at Dictionary.com
"turf, slice of earth with grass on it," mid-15c., apparently from Middle Dutch sode "turf," or Middle Low German sode, both related to Old Frisian satha "sod," all of uncertain origin. Perhaps the notion is water saturation and the group is related to sog. The (old) sod "Ireland" is from 1812.
sod (n.2) Look up sod at Dictionary.com
term of abuse, 1818, short for sodomite (also see sodomy). British colloquial sod-all "nothing" is attested from 1958.
sod (v.1) Look up sod at Dictionary.com
c.1400, "to cover with sod," from sod (n.). Related: Sodded; sodding.
sod (v.2) Look up sod at Dictionary.com
in sod off (1960), British slang term of dismissal; see sod (n.2).