We had a copy of indy 500 on our 3.1 PC that barely ran and made oh such lovely noises via the PC speaker but to play you had to answer trivia questions that were in the manual.

Intolerable

Probably half life 2

Ive started using Microsoft todo so it combines with this approach

Jitsi?

Not sure where it came from but you can see it here under S - https://en.wiktionary.org/wiki/Appendix:Glossary_of_British_military_slang_and_expressions#S

As for other words, I don’t think we do quite so many as the Aussies but there are words like aggro, cheapo, wino, preggo used in every day speech.

Seppo is pretty common in the UK too, particularly in families with people in the forces.