We have a weekly meeting at work where basically I present everything that colleagues are up to at work to a group of about 8 other colleagues and then discussions sometimes take place. I'm reading from an email put together by line managers and it's one of those meetings that could definitely be just an email circulated. I hate it, especially as I hate speaking in front of the group.
Anyway, at the most recent meeting while I was speaking, one colleague, who is also a 'friend' turned to the colleague next to him and whispered in her ear, while looking at me and laughed. I sensed it was about me but carried on. Then he wrote something in his notebook and showed it to this other colleague and another sat at the other side of him and he grinned. I later found out that he had wrote 'bored to fuck' and 'fucking wittering on'. All very juvenile stuff from a supposed professional in his late 40's. I shouldn't be bothered, but I am. Aibu?