Get on somebody’s wick

Pro Tip 1/3

Used mostly in casual conversation, not in professional or formal settings.

I'd never say this at work, but his lateness is starting to get on my wick.

Pro Tip 2/3

This phrase is British slang, so it might not be understood outside the UK.

When I studied in the US, nobody understood when I said 'get on my wick.'

Pro Tip 3/3

Suggests a growing level of irritation, not just a one-time annoyance.

He's been humming the same tune all day, and it's really starting to get on my wick.