Occasionally dropping an idiom in your conversation will make you sound more fluent.
Here’s the idiom of the day:
Out to lunch.
Which doens’t only mean someone is on a lunch break…
When someone is out to lunch, it means that he/she is giddy, not alert, not quite there, not in reality….
Example:
Looks like he didn’t really pay attention to what we were saying..He’s out to lunch at the mo..