WordWeb Online

1. Expression of inquiry or slight surprise
   - huh
    
2. [Cdn, informal] Word used to encourage the attention of the listener, ascertain interest, etc; often essentially meaningless
    
3. [informal] Word used to invite agreement
   "nice work, eh?";
   - huh [informal]
    
4. [informal] Indicates incomprehension, a request to repeat for clarification
   - huh [informal], what [informal], excuse me, come again [informal], pardon, sorry, I beg your pardon

Encyclopedia: Eh, La Bas