Here is the full list of all 40 Poop Clicker achievements.
Your first poop
Have 1 Quick tap
Have 1 NFS
Have 1 Hot pepper
Have 1 Corn
Have 1 Plunger
Have 1 Unicorn
make 100 poop per second
0 poop per second just from quick tap
20 poop per second just from nfs
40 poop per second just from Hot pepper
100 poop per second just from corn
150 poop per second just from Red plunger
300 poop per second just from unicorn
Have 1 Potato
Have 1 Friend's help
Have 1 Sharingan
Have 1 Bot
Have 1 Brainstorming
Have 1 Laxative
Have 1 Luck
Have 1 Donut
Have 1 Atom
Have 1 Death star
Have 1 Poison
Have 1 Cookie
Quick tap upgrade
Need for speed upgrade
Hot pepper upgrade
Corn upgrade
Red plunger upgrade
Unicorn upgrade
500 per second
1000 per second
5000 per second
15000 per second
500000 per second
1500000 per second
50000000000 per second
10000000000000 per second