double bubble

plural double bubbles

1. countableuncountablemedicineThe presence of two air-filled bubbles in the abdomen, often indicating various pathological conditions.
2. countableuncountableaeronauticsA fuselage formed from two conjoined hulls.
3. countableslanguncountableOvertime paid at twice the normal rate.

   I feel you, man. But if you don't want the overtime, I'll work a double-bubble for you. Cool?

   2012, Brandon Massey, Voices From The Other Side, page 176

   1 more example

   He had been on leave, but when his supervisor had called him at home and offered him 'double-bubble' overtime to cover a colleague who had gone sick, he had been unable to refuse.

   2017, Tim O'Rourke, The Mirror Realm

4. countableuncountablemathematicsA certain meeting of spherical surfaces, relevant to the double bubble conjecture.