Thumbs Up

Thumbs Up adjective [colloq]. Meaning good, excellent. Expressing approval.

e.g. "My sinuses were finally clear this morning"

Thumbs Up (diving) imperative . Meaning ascend. "Ascend Now!".

I won't have use for this. I missed my dives at the weekend thanks to my sinuses, and tomorrow nights dive at St Abbs has been cancelled due to forecast haar.

You win some, you lose some.