(construction) An application wherein the waterproofing system and source of hydrostatic pressure are on opposite sides of the structure.

Alternative spelling of sunny side up

(economics) A branch of economics that focuses on the supply side of the economy and on tax reductions.

Of a garment, etc, having its inner or hidden side on the outside and vice versa. / (figuratively) Reversed, changed diametrically, by analogy with a garment that is wrong side out.

(US) Of an egg: fried sunny side up.

(US) Of an egg: fried on one side, served with the unbroken relatively soft yolk on the top. / (of a newborn) Born with one's head facing upward, as opposed to the normal downward-facing birth.

(idiomatic) The part of town that is not inhabited by the wealthy. An area where the working class, poor or extremely poor live.

(idiomatic) A persistent annoyance.

Any turtle of the family Pelomedusidae, characterised by protecting its head by turning it to one side rather than, as other turtles do, withdrawing it into its shell.

plural of positive side waterproofing