Its a Latin Phrase which translates ---how are you? (quid agis? is also used as an expression of surprise--"What are you thinking of?") This Latin phrase was used in the Harry Potter series as one of the passwords to Gryffindor Tower.
Quid agis? (singular) Quid agitis? (plural)
The Latin 'Be healthy' is Vale / Valete (singular / plural). It is also the normal Latin expression to mean Goodbye.
Quid ita serius = Why so serious?
How are you today?
Literally "What does this want for itself?", Quid hoc sibi vult is a Latin idiom that means "What does this mean?"Quoted with quod rather than quid, it means "[Which is] what this means".
Why not relax
it means stupidity
Quid Non means 'Why Not' in Latin."Quid Non" means "it [is] not". More precisely, it is shorthand for frankly stating that the preceding opinion or statement is incorrect.An example:John said that a pound is twenty ounces. Quid non.See the related link for more information
If you mean Quidditch, he is Seeker.
it means stupidity
The Quid was created in 1964.
I believe you mean qid, which is a Latin abbreviation meaning "four times a day".