tête à claques

tête à claques is feminine in French.

pain in the neck, blighter (a person so annoying that he or she might deserve to be slapped)

“Ce gamin n'en fait qu'à sa tête, c'est une vraie tête à claques.” — That kid just does as he pleases; he's a real pain in the neck.

Literally, “head for slaps”, i.e. a face that is "asking" to be hit.