To sip; to take a small amount of food or drink into the mouth, especially with a spoon.

A sip; a small amount of food or drink.

To take supper.

(slang) what's up (either as a greeting or actual question)

(physics) Being or relating to the squark that is the superpartner of an up quark.

(informal) Superintendent.

(mathematics) Supremum, upper limit.

(bodybuilding, colloquial) Supplement.

(Cambridge University slang) A supervision.

How are you? What is new?