Fallon kicked off the segment by recalling his own worst effort from childhood, involving a bloody lip and ripped clothes.
Viewers then one-upped the comedian with their own embarrassing experiences ― from the person who went as a hand to the students who had to adapt their “Fifty Shades of Grey”-themed attire.
Check out the clip above.
RELATED… Dad Plays The Sweetest Halloween Trick On Daughter Aboard Flight Banksy's Self-Destructing Artwork Is The 1 Halloween Costume To Shred Them All Little Girl's Michelle Obama Halloween Costume Melts Our Hearts Download REAL LIFE. REAL NEWS. REAL VOICES. Help us tell more of the stories that matter from voices that too often remain unheard. Join HuffPost Plus