2) A confusing mess; a conundrum; any chaotic situation
3) A person of low intelligence who gets himself into a comical quandary.
"When the storm hit in the middle of the parade, the whole festival became one big chucklefuck."
"That chucklefuck Frank got drunk and drank from that shampoo bottle."
2) (n.) A person who indulges in accomplishing the same social faux pas with the written though by using the common "LOL" at the end of their own Social Networking posts.
i.e. "I just desecrated my toilet after taco night! LOL!!"
3) (n.) A term of endearment for somebody you would like to gently slander, yet still remain friends with.
2) My brother is a total Chucklefuck, I can't even respond to his posts, it's too embarrassing.
3) What's up Chucklefuck? It's been awhile!