We'll let you fill in the blanks. 

 

1.  undefined

Source: YzermanToLidstrom

2.  undefined

Source: 4gifs

3.  undefined

Source: imgur

4.  undefined

Source: Nemesis2772

5.  undefined

Source: dotgifs

6.  undefined

Source: 4gifs

7.  undefined

Source: imgflip

8.  undefined

Source: YzermanToLidstrom

9.  undefined

Source: Saroc

10.  undefined

Source: YzermanToLidstrom

11.  undefined

Source: gifbay

12.  undefined

Source: imgur

13.  undefined

Source: boringassclass

14.  undefined

Source: gifsoup

15.  undefined

 Source: Cats_Hating