Fitting interjection for "that's nothing"

What would be an appropriate interjection to express little bit of disdain, like

  • I made it in 30 minutes.
  • Aaah, that's nothing, my friend did it in 15.

Is there something more fitting than "aaah"?


Solution 1:

I offer (see Lexico)

pfft
EXCLAMATION

1.2 Used to express a contemptuous or dismissive attitude.

So you could remark

Pfft, that's nothing, my friend did it in 15.

Solution 2:

"So what?" can be used to express how underwhelmed you are by a particular statement.

"Big deal" can be said sarcastically to indicate that the statement is not, in fact, a big deal at all.