You take the tip of the tounge and press it against the the back of your front teeth and exhale, creating a th sound. The A is sounded out as in apple, and the cheeks simply pull back into a semi-smile while the vocal chords vibrate during exhalation. Finally the final t is pronounces by clicking the tounge angaint the top of the mouth while exhaling.
<span style='color:gray'><span style='font-family:Courier'>1995 e36 3 Series RIP
1999 e46 3 Series BURN IN HELL
2000 MR-S Roadster= Current</span></span>