ciphertalk

noun
UK /ˈsaɪfə tɔːk/
US /ˈsaɪfər tɔk/

Secret talk that only certain people can understand.

The spies used ciphertalk so nobody else knew their plan.


OTHER MEANINGS

2. Special words used by a group that outsiders find hard to follow.

The gamers' ciphertalk was full of terms I didn't know.

3. Speech that is deliberately confusing or hard to decode.

His ciphertalk at the meeting left everyone puzzled.

4. A playful made-up language between friends.

The twins chatted in their own ciphertalk at the dinner table.