You rolled a 1

Check	What happens
Alchemy	It exploded in your face. Take ½ subdued damage.
Animal Empathy	The animal attacks you.
Appraise	It is in-between 1Cp and 1,000,000 Gp.
Balance	You trip over your own feet.
Bluff	You tell them the truth.
Climb	You break the thing you're climbing on and tumble down.
Concentration	Ooh! Shiny!
Craft/ Use Magic Device	It breaks as soon as you touch it.
Decipher Script	The exact translation is “qwertyuiop, asdfghjkl”.
Diplomacy/ Pick Pocket	You punch them in the face.
Disable Device	You place your finger in a mouse trap.
Disguise	You place an big red arrow pointing at you over your head.
Escape Artist	You become more entangled, escape DC increases by 1d6.
Forgery	It looks like a child using crayons made it.
Gather Information	That tree over there? It's a tree.
Handle Animal	It bites/kicks you.
Heal	You poke your finger in the wound and deal 1d4 damage.
Hide	You hold up a stick in front of your face.
Intimidate	“You’re a fat big poopy head!”
Intuit Direction	You place you hands over your eyes and spin around.
Jump	You fall flat on your face. Do not make a Tumble check.
Knowledge	It may or may not exist.
Listen	You hear crickets.
Move Silently	STOMP! STOMP! STOMP!
Open Lock	You break your tool in the keyhole.
Perform	You lose 1d10 cp.
Profession	You're fired.
Read Lips	Like lip reading a sock puppet.
Ride	You are trampled by your own horse.
Scry	You spy on a brick wall.
Search	You find your other hand.
Sense Motive	They do not have a motive.
Spellcraft	It's magic.
Spot	You spot the inside of your own eyelids.
Swim	You sink down like a rock.
Tumble	You fall on tour head. Take falling damage +10 ft.
Wilderness Lore	You identify the dirt as being dirt.
Initiative	You do not know you're in combat until you get hit.
Melee attacking	You drop your weapon.
Ranged attack	You fire/throw it in the opposite duration.
Fortitude save	You somehow contract a random STD, roll a d6 on the table.
Reflex save	You zigged when you should have zagged.
Will save	Spell becomes Dominate Person.
Bear lore	It's a man in a bear suit look it's Nicolas Cage!