Abandoned Forum: A forum for the mentally unstable, or unusually weird.
Asylum Forums: Twisted humor and social anarchy.
BGBi: Whacky chat for twisted individuals.
Crudpot: Archives of humorous pictures, audio and video clips, a messageboard, and weekly polls. Win prizes.
Far2Cool: General community banter forum for off-topic and controversial discussion.
Fight or Flight: A forum where visitors can exchange insults.
Flamevault: Flaming, games, and fun.
Funny Boners: Continuously updated message board for daily jokes, strange news, viral videos, funny pictures and more.
GeneralGossip.com: Online discussion community geared towards gossip and chat.
I'm Depressed.co.uk: Discussion forum for jokes, funny stories, links, pictures, TV and movies.
I-Mockery: Discussion community featuring humorous attacks on all aspects of pop culture and one-on-one mock wars.
Issue9mm: Fanboy community for the discussion of comics, art, and general off-topic musing.
Joke Board: A place to leave jokes and to read jokes posted by others.
Just Ram It: Rants and random chat in a light-hearted environment.
London Banter Committee: Good-humored forums where the art of bantering is enouraged.
Mister-BS.COMedy: Mister BS is your online humor center for jokes, humorous images, comedy club directory and much more.
Mugwuffin: Daily caption competition and forums.
Pointless Waste of Time: Aimless rambling with a touch of humor.
SnakeBreath: Submit links to funny sites or media, and participate by commenting on links in this unique humor hub.
Tessaforum: A fun forum for people who wish to discuss humor and add humorous content.
The Brawl Hall: An anything-goes flame forum based on humor and insults.
The Hypertribe Forums: Simi-topical discussion community featuring dark humor.
The Official Ninja Forum: A satirical community based on fantasy ninja culture.
The Peeved: Oddball community which features the peeve of the day and top ten peeves.
The Unofficial Lonely Island Forums: A forum for fans of The lonely Island crew. Discuss their videos, music, and Saturday Night Live.
TheTrolls: Topical discussion forums for those with a sense of humor.
Virtual Dissent: Uncensored forums for the highly opinionated.