Facebook: Jimmy takes a look at the latest definitions in the Tonight Show Dictionary! W…

Jimmy takes a look at the latest definitions in the Tonight Show Dictionary!

Facebook: Jimmy and Justin Timberlake stay up past lights-out to sing Third Eye Blind toge…

Jimmy and Justin Timberlake stay up past lights-out to sing Third Eye Blind together at Summer camp!

Facebook: In honor of Hanukkah beginning tonight, here are some of your funniest #Hanukkah…

In honor of Hanukkah beginning tonight, here are some of your funniest #HanukkahSongs tweets! Wanna add your own? Leave it in the comments below! WATCH MORE: https://www.youtube.com/watch?v=GEc5Gzk_YDE&list=PLykzf464sU99HVFTMNPjNLWLqPSJAzEDN

Facebook: Jimmy and Oprah Winfrey used some crazy voices on their short-lived '80s soap op…

Jimmy and Oprah Winfrey used some crazy voices on their short-lived '80s soap opera, Midnight Meadows! #FallonTonight

Facebook: Thank you, holiday cards, for giving me an annual update on how ugly my friends'…

Thank you, holiday cards, for giving me an annual update on how ugly my friends' kids are getting.

Facebook: Jimmy and Martin Freeman go head-to-head in a game of Antler Ring Toss! WATCH:…

Jimmy and Martin Freeman go head-to-head in a game of Antler Ring Toss!

Facebook: Jimmy and Dwayne The Rock Johnson ponder the mysteries of the universe in an "In…

Jimmy and Dwayne The Rock Johnson ponder the mysteries of the universe in an "Intense Staredown"! #FallonTonight

Facebook: Steve Carell joins The Ragtime Gals to sing Marvin Gaye's classic "Sexual Healin…

Steve Carell joins The Ragtime Gals to sing Marvin Gaye's classic "Sexual Healing"!