v. & n.
v.tr. 1 prod gently with the elbow to attract attention. 2 push gently or gradually. 3 give a gentle reminder or encouragement to (a person).
n. the act or an instance of nudging; a gentle push. nudger n.
[ 17th c.: orig. unkn.: cf. Norw. dial. nugga, nyggja to push, rub ]