Learning Brazilian Portuguese Gestures
“Cheio” “Full” How to do it: show the back of your hand, with the fingers pointing up, and close the thumb against the fingers repeatedly. Might be used when approaching an estacionamento (car park) to warn you there are no spaces, or by a Brazilian friend if the nightclub you want to enter is packed.
“Não me importa” “I don’t care” How to do it: hit the back of your fingers against the fingers on the other hand. Repeat several times, also using other hand. Used frequently to express general lack of interest or knowledge.
"Vai tomar no cu" “ Stick it up one's ass” How to do it: The same way as the picture.That's where Americans do that mistake, so please avoid that in Brazil, that doesn't mean ok.
“Papo-furado” “Not true”/“Idle chat” How to do it: palm facing down, tap right under your jaw, with the back of your hand.

"Nao sei" "I don't know/I can't help" How to do it: hands open (palm upwards) at sides of body (chest level).

"O que que e!?" "What are you talking about?!" How to do it: fingers and thumb come together with hand shaken up and down around chest level (arm can also move, according to intensity of discussion).

"E muito caro" "It's expensive" How to do it: index finger and thumb rubbed together continuously in front of body.

"To nem ai pra isso" "I don't care" (Beware: can be considered rude) How to do it: Back of open hand placed under chin and then flicking chin with the fingertips in an outward motion.

"Vamos comer" "Let's go and eat" How to do it: the hand is raised in front of the mouth and, with the fingers all together, jerked towards it several times, symbolising eating.
Source : Learning Brazilian Portuguese Gestures, The Guardian
