Description: Rif Raf Promo Featuring JohnPaul from Ragtube.com

by: ragtube

Description: Steve Hofstetter rifss with a crowd at Muhlenberg on everything from pickles to Jews to the room itself.

by: thehofstetter

Description: 2 shots later - love schwartz, klab, levine, rif

by: als5272

Description: John McCain hits the comedy circuit riffing on Barack Obama, Miley Cyrus and the French.

by: barelypolitical

Description: Steve Hofstetter playfully teases Tennessee, Arkansas, Alaska, and more while he riffs at the Comedy Castle.

by: thehofstetter

Description: Clueless entertainment reporter Woody Wittman encounters a Robin Williams Riffing RED ALERT and makes John Krasinski crack up at the premiere of License to Wed

by: DatelineHollywood

Description: Check out this dog singing into the iPhone App Riff Raters - it is soooo funny. Put up a video of you riffing into the...

by: joyentertainment