Boot(
Dutch)translated to
English is
ship.
Keep your dirty talk on the boot(ship).
Inappropriate conversation in public.
When you talk to your girlfriend at the same way you talk to your friends/colleague's
Sailors talk a lot about dirty stuff.
When your girlfriend tells you to stop talking about inappropriate subjects . She will firmly say the word, boot!
If you say to her: I want to have
xxx with you at Christmas dinner
table when the all the family is sitting on the same
table.
She will just shout, Boot.