An expression meaning 'just the other day' or 'very recently'; similar to 'the other day' or 'recently' in casual speech.
ついこの間、隣の家に新しい子どもが生まれた。
Just the other day, a new baby was born next door.
その店、ついこの間閉店したばかりだよ。
That shop just recently closed.
あの映画、ついこの間テレビで放送されていたね。
That movie was on TV just the other day, wasn't it?