OD

I UK [ˌəʊ ˈdiː] / US [oʊˈdɪ] verb [intransitive]
Word forms "OD":
present tense I/you/we/they OD he/she/it OD's present participle OD'ing past tense OD'd past participle OD'd informal

a) to take an overdose of a drug so that you become very ill or die

OD on:

Apparently she OD'd on sleeping pills.

b) humorous to eat, drink, or do too much of something

OD on:

I have a tendency to OD on chocolate and cake.

II UK [ˌəʊ ˈdiː] / US [oʊˈdɪ] noun [countable]
Word forms "OD":
singular OD plural ODs informal

an overdose of a dangerous drug