Stashed in: Fitspo, Photoshop, BRO!, Beefcake!
JGL with shake weights:
More shake weights: http://pandawhale.com/post/10854/shake-weight-gifs
For those who prefer dapper JGL:
If this keeps escalating... Welp!
Are they animals... or are they Avengers?
Dapper Joseph Gordon-Levitt.
66 Classic Movie Dance Scenes Mashup to Uptown Funk
Justin Timberlake and Ryan Gosling back in the day. : pics