The act where one tries to tell a pun or joke in another language but it turns out to be totally lame, since the point gets lost in translation.
Most transpuntations are followed by awkward silence.
Serial transpuntators don't ever notice they are not funny and they keep doing it all the time, promting you to improve your fake laughter.
Maarit from Finland decides to pull a transpuntation: 'My mate Santtu was sitting in the pub with a yellowish drink in front of him. I asked "Oh, are you having a Jaloiviina, mate?" "No" he replied, "It's Fisu - I'm working tomorrow.'
Mariit's foreigner friends: *awkward silence*