It means " the big cuddles". So it isn't profane. It just means the person your talking to wants to hug you.
Grand baiser
Antoine-Jean Gros has written: 'Antoine-Jean Gros'
"Gros" is the masculine plural, see below. Anytime an adjective ends with vowel-s in the masculine singular, the masculine plural is identical. Gros (m.s.), Grosse (f.s.), Gros (m.p.), Grosses (f.p.)
Pierre Gros was born in 1939.
Piero Gros was born in 1954.
Gros-Réderching's population is 1,323.
Gros Islet's population is 21,660.
Gros Islet was created in 1749.
Sacha Gros was born in 1974.
Jules Gros was born in 1890.
Jules Gros died in 1992.
The population of Gros-Chastang is 171.