The phrase queer attitude used to be commonplace, simply meaning
a strange attitude or unhelpful behavior.
Unfortunately in the present era, I once used that phrase and sadly
offended an LGBT person, since people today use queer to mean
I can avoid saying queer attitude by just saying strange attitude.
What’s a modern alternative to the common business phrase
“queer the deal” that doesn’t risk giving offence where none
Other queer- phrases are easy enough to replace,
but I am stumped on this one.
(Funnily enough the other day I gave someone the long-winded
alternative: “I’m trying not to talk about it to not upset my
negotiation so don’t find me rude but I’d rather not go in to details,
etc.”, and my colleague immediately responded “Oh, you don’t
want to queer the deal, got it!” Geesh!)
It reminds me of the usage of jinx, an old word which (at least in my experience) has recently become much more popular amongst young people:
to foredoom to failure or misfortune : bring bad luck to
(source: Merriam Webster)
“Don’t jinx it” is a reasonably commonly heard phrase nowadays.