What is Phtt?
1.
Used repeatedly, it is a noise of dimisal and disgust, usually reserved for when people are being rude. Roughly equivalent to "shut up".
Care must be taken when using this form of phtt, as the common reply is to spit on the person saying it.
Can also be used in conjunction with
"Mate, this chicken isn't cooked, AGAIN. You're cooking's crap."
"Phtt phtt phtt phtt phtt phtt"
See
2.
Noise caused by flapping of lips when expelling air. Commonly used in a dismissing or skeptical fashion.
'Hey Fred! I just saw a rhino wearing a bikini, digging a whole in the road with a pneumatic drill!'
'Phtt, as if someone with a pneumatic drill would actually use it, look at workmen, they just sit onit for a week. Stop wasting my time you assmonkey!! (see Assmonkey for definition)