German Phrase
Was guckst du?
Meaning
This is a colloquial and often confrontational way to ask someone why they are staring at you. The verb 'gucken' is an informal alternative to 'schauen' or 'sehen' and is used primarily in spoken German. Depending on the tone, it can range from a playful tease among friends to an aggressive challenge to a stranger.
When to use
Use this phrase in very informal, everyday situations when you notice someone staring. It is best avoided in professional or polite settings as it can sound rude or uneducated.
✦Grammar Breakdown
Wasguckstdu
Was
An interrogative pronoun meaning 'what' used to start the question.
Gucken
An informal verb meaning 'to look' or 'to watch', very common in Northern and Central Germany.
Word Order
In a question, the conjugated verb 'guckst' follows the interrogative 'Was', followed by the subject 'du'.
🗨In Conversation
Was guckst du?
What are you looking at?
Nichts, sorry, ich habe nur geträumt.
Nothing, sorry, I was just daydreaming.
✕Common Mistakes
Was siehst du?
While grammatically correct, 'sehen' is too neutral; it doesn't capture the 'staring' nuance of 'gucken' in this context.
Was guckst du dich?
The verb 'gucken' is not reflexive in this context; you should use the simple subject 'du'.
↔Alternatives
Was schaust du so?
What are you looking at like that?
Gibt's was zu sehen?
Is there something to see?
Cultural Tip
This phrase gained massive popularity in Germany due to a comedy show of the same name in the early 2000s. It is often associated with a 'tough' street persona, so be aware that using it might make you sound more aggressive than intended if your intonation isn't friendly.

