Bob: no reply
Ricky: "hey, what are you doing after work today? - Huh?"
Bob: looks at Ricky but didnt hear him.
Ricky: "you gonna take your truck in to the shop or what? I told ya I can give you a ride. - Huh?"
Bob: "god damn man! would you give me a second to answer you?!"
German teacher: Huh?!!!!!
Student: errrrrrr...... what?