Here are some possible completions and their meanings:
* Tête à tête: This means "head to head" or "private conversation" and refers to a close, intimate discussion between two people.
* Tête à claques: This means "someone who deserves a slap in the face" and refers to a person who is annoying or irritating.
* Tête à l'envers: This means "upside down" or "topsy-turvy" and refers to something that is chaotic or disordered.
* Tête à l'air: This means "airheaded" or "absent-minded" and refers to someone who is not paying attention.
* Tête à modeler: This means "something that can be shaped" and refers to something malleable or easily influenced.
To understand the meaning of "tête à," you need to consider the context in which it's used.