A girl jumped out of a cake for your birthday? Nice birthday surprise!
I know you mean she brought a cake out, not jumped out of one, but that brings to mind another example of the OP— I’ve seen any number of sitcoms and a movie or two with a scene where a girl was supposed to jump out of a giant fake cake, usually with some hijinks or something going wrong, but I wonder how often that’s happened in real life? Probably rare, if at all.
Still, I think it fits the OP, which specifies ‘almost never happens in real life’ and I think ‘scantily clad girl jumping out of a giant dessert’ has happened far more often in fiction than IRL.
I will grant that. Very funny lampshade funny was in the Addams Family.
Now, on this subject, and I am not sure about “almost never happens” but I will sate much more common in media than IRL is a huge cake that appears- only to be smashed, after by a fight or something. That meme annoys me. If you see a huge cake in TV or Film (except on a cooking show), it is a a goner.
I just realized something. Based on the sitcoms I’ve watched there in most groups there is usually one person that is a clueless idiot. Since the groups I’ve been in, I’m not aware of clueless idiots. I guess that means the clueless idiot is me.
The pie fight in Laurel & Hardy’s silent film The Battle of the Century way back in 1927 is a close second, or possibly even bigger. The fight in The Great Race supposedly used 4000 pies. Wikipedia says The Battle of the Century used between 3000 and 10,000 pies. Pretty impressive for such an old film, and I’d say it probably deserves the title “granddaddy of them all”.
BTW: we’re so used to it being a colorful sobriquet that we forget that at the time “bugsy” was equivalent to calling someone “psycho” today; and that a mobster who really was “bugsy” might kill you for calling them that in their hearing.