Here is the full list of all 22 Theres Poop In My Soup achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Poop on all the french girls
Use the runny tummy ability
Poop on madame and monsieur baguette
Get a total score of 250,000
Poop all over the family
Unlock Paris
Use the firework ability
Complete the NYC to-poo list
Get a total score of 100,000
Get a total score of 50,000
Get a total score of 25,000
Unlock Beijing
Use the bomb ability
Poop right in his icecream...mmm...
Poop right in the soup!
Do not touch the floor in Beijing
Complete the Paris to-poo list
Complete the Beijing to-poo list
Get a total score of 500,000
Complete all the to-poo lists
Get a total score of 750,000
Get a total score of 1,000,000