nudge (v.) Look up nudge at Dictionary.com
"to push slightly with the elbow," 1670s, perhaps from Scandinavian (cf. Norwegian nugge, nyggje "to jostle, rub;" Icelandic nugga "to rub, massage"). Related: Nudged; nudging.
nudge (n.1) Look up nudge at Dictionary.com
"complainer, nagger," 1960s, from Yiddish, from Slavic words meaning "fret, ache," realted to the root of nudnik (q.v.).
nudge (n.2) Look up nudge at Dictionary.com
"a slight push," 1836, from nudge (v.).