Tell me this doesn't get your testosterone flowing.
Clickity click :
https://gfycat.com/HeartyRealisticFlounder
http://gfycat.com/GlitteringSecondAmericanlobster
http://gfycat.com/EuphoricGoodGuillemot
https://gfycat.com/DismalEsteemedGoitered
You can find much more, here - https://www.reddit.com/r/60fpsporn