This is the 6589th most frequent Portuguese word.
fap
The word "fap" does not exist in Portuguese; it is slang in English, typically referring to masturbation.
Here, 'fap' is interpreted as an onomatopoeic representation of keyboard typing sounds.
Ele fap o teclado enquanto trabalha.
He types on the keyboard while he works.
In this sentence, 'fap' conveys an imitation of the engine sound as an onomatopoeia.
Quando o motor começa, ele faz um som de fap, fap.
When the engine starts, it makes a sound like 'fap, fap.'
Here, 'fap' is utilized as an imitative expression to illustrate the sound caused by the door.