Served with ice; chilled.

Covered with sugar icing.

Past tense/past participle: cooled or chilled with ice.

Past tense/past participle: covered baked goods with icing.

Hockey: shot the puck the length, causing icing.

Slang: defeated decisively or clinched the result.

EV slang: occupied a charger space with a non-EV (ICEd).

US: was apprehended or deported by Immigration and Customs Enforcement.