If you describe someone's words or ideas as gibberish, you mean that they do not make any sense. When he was talking to a girl he could hardly speak, and when he did speak he talked gibberish. = nonsense. something you write or say that has no meaning, or is very difficult to understand = nonsense (Probably from gibber)
anlaşılmaz konuşma, hızlı ve karışık konuşma
الواصلة
an·la·şıl·maz ko·nuş·ma, hız·lı ve ka·rı·şık ko·nuş·ma