Interesting. I scrolled back through for tat/gaming/tech clips but couldn't see any so googled it. Seems he was 'Mr Noseybonk' in the 2008 series. Maybe they had a clip of it in this summary but then cut it last minute.
the clenched hand raising to make it look like the arse is clearing its throat before announcing the next program.. like this comment if you turn over as soon as the continuity announcer starts talking on ANY program..