1. The classic boop:

reddit.com / Via i.imgur.com
2. The dog who has had enough of being booped:

3. The three-way boop:
i.imgur.com / Via reddit.com
4. The most magical boop of all time:

5. My First Boop:

i.imgur.com / Via reddit.com
6. The keep-it-up boop:
reddit.com / Via i.imgur.com
7. The interspecies boop:

i.imgur.com / Via reddit.com
8. The self boop:
i.imgur.com / Via reddit.com
9. The quokka boop:

imgur.com / Via reddit.com
10. The tiny bunny boop:

reddit.com / imgur.com / Via Sweet Meadow Farm
11. The red panda boop:

i.imgur.com / Via reddit.com
12. The much needed baby boop:

i.imgur.com / Via reddit.com
13. The defensive boop:
14. The sleepy boop:

i.imgur.com / Via reddit.com
15. The double paw boop:

16. The yoga boop:

i.imgur.com / Via reddit.com
17. The double boop:
reddit.com / Via i.imgur.com
18. The incoming boop between best buddies:

19. The dog who couldn't decide which chick to boop first:

20. The boop gone wrong:

21. The boop between unlikely friends:

22. The bubble boop:
i.imgur.com / Via reddit.com
23. The pup who wanted to boop herself:

24. The tiniest boop of all time:

Jacqueline Reines
25. The boop between two friends who love each other:

26. The bug boop:

Sandra Banks — Reddit
27. And, finally, the long distance boop:
i.imgur.com / Via reddit.com