flanquer une tripotée

French edit

to beat up
(takes a reflexive pronoun) to get into a fight, have a bust-up
- 1883 January 2, Guy de Maupassant, “Le Remplaçant”, in Gil Blas:
  En arrivant au quartier, l’autre matin, il apprit que deux hommes de sa compagnie s’étaient flanqué une abominable tripotée.
  On reaching the area the other morning, he learnt that two men from his company had got into a huge fight.