funny as fuck is something you can call someone or something that is very funny. However, despite that this word is harmless, Its not advisable to say it with adults present.
Expression-can be offensive to certain individuals...
When there is that moment with all your friends that you know you'll remember til at least the next time your drunk, therefore you need an elaborate expression to descibe the previous scenario that just happened.
Me: Dude, I was just a party when some red head started talking shit, he got made as hell and started fighting all the sousas there.