Just since I have seen so many people asking about it, here is a list of all expressions and how to get them.
Flirty Expressions: Blow Kiss - Learned at 2500 renown Come Back to My Place - Available at Fiction burns or Oakfield Demon Door Heroic Pose - Learned During Childhood Pickup Line - Learned during Adolescence Seduce - Available at Fiction burns during Adulthood Whistle - Learned During Childhood Worship - Purchase the Fiction Burns bookstore and find it on the top floor bookshelf.
Fun Expressions: Belch - Available at Fiction Burns and as a reward. Dance - Learned during adolescence. Fart - Learned during Childhood. Hat, Headband, Mustache - Win this from the Pub Games on Xbox Live Arcade Laugh - Learned at 50% Good Morality Sock Puppet - Available at Fiction Burns during Adulthood Victory Arm Pump - Learned during childhood.
Rude Expressions: Beg - Learned during Adolescence Chicken - Learned during Childhood Kiss my A** - Learned at 20,000 renown Middle Finger - Available at Fiction Burns during Adulthood Play Dead - Available at Fiction Burns during Adulthood Point & Laugh - Learned during Childhood Vulgar Thrust - Available at Fiction Burns and as a reward.
Scary Expressions: Bloodlust Roar - Learned during Childhood Extort - Learn at 100% Evil Morality Feign Attack - Visit www.fable2.com and play the Hero's tale Growl - Learned at Childhood Scary Laugh - Learned at 10,000 renown Slap - Learned at Adolescence Threaten - Learned at 50% Evil Morality
Social Expressions: Apologize - Learned at 25% Good Morality Dismiss - Learned at 100 renown Dog Praise / Thumbs Up - Learned During Childhood Dog Scold / Thumbs Down - Learned during Childhood Follow - Learned at 100 renown Gift - Learned at Adolescence Lute - Purchase a Lute from a merchant Trophy - Learned after acquiring your first trophy (Thag's Head)
Dog Tricks: Backflip - Win a 2 star Fortune's Tower Tournament on Pub Games using Xbox Live Arcade Begging - Purchased at Fiction Burns bookstore Bunny Hop - Chest in Bower lake Growl - Chest in Gargoyle's Trove Hide Snout - Random dig spots, npc gift, chests, or Fiction Burns bookstore Play Dead - Chest in Bowerstone Cemetery Roll Over - Purchase at Fiction Burns Bookstore Tail Chase - Purchase at Fiction Burns Bookstore Targeted Urination - Purchase at Fiction Burns Bookstore Wave - Random dig spot, npc gift, chest, or at Fiction Burns Bookstore --- "Actually, he CAN compare the two, especially considering the fact that he just did. Your logic fails." ~YamiSol