Your boy is wrong. Infact, you'd be hard pushed to find any substance that becomes psychoactive after 10 seconds of oral consumption, let alone MDMA which is known for taking quite a while to effect the brain (approx 30 mins - 1 hour). If I was you, I'd question him regarding what chemical it actually is and I certainly wouldn't consume it. Buy a test kit (Europe: http://eztest.com, USA: http://dancesafe.org) and test it yourself to see what chemical it actually is.
Stay safe.