Real Dictionary

nudge
verb: If you nudge someone, you push them gently, usually with your elbow, in order to draw their attention to something.

nudge in American English
a gentle push with the elbow, etc.; jog
to push or poke gently, esp. with the elbow, in order to get the attention of, hint slyly, etc.

nudge in American English 1
intransitive verb: to give a nudge
noun: a slight or gentle push or jog, esp. with the elbow
transitive verb: to push slightly or gently, esp. with the elbow, to get someone's attention, prod someone into action, etc

nudge in American English 2
intransitive verb: to nag, whine, or carp
noun: a person who nudges; pest
transitive verb: to annoy with persistent complaints, criticisms, or pleas; nag

nudge in British English
to push or poke (someone) gently, esp with the elbow, to get attention; jog
noun: a gentle poke or push