When Jonah Hill appeared in "character" as the bear from The Revenant to present the award for Best Supporting actress alongside Channing Tatum, the lengthy bit gained in enthusiasm (mostly from Jonah Hill) until the point where Hill swore several times, causing long silent gaps for TV viewers and a look of severe distaste on Jane Fonda's face.

Someone with a better live feed than most viewers caught this unaltered audio of the incident, and it appears Hill wasn't saying anything about Fonda in particular, just ruining her evening by cursing about honey and pretending to resent being overshadowed by Revenant star Leonardo DiCaprio:

Sources: Hollywood Reporter | KyrylTube | Donna Dickens