the real spelling is nique ta mère and that means something like fuck you motherfucker. Often used and for any reason by dumbasses who think they are tough guys.
nice person: J'aime pas trop tes chaussures (Your shoes ain't really my style)
dumbass: Nique ta mère!
dumbass: Nique ta mère!
by truefrenchgirl June 18, 2005