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Phrase(s): flick something off
1. to turn something off, using a toggle switch. • Mary flicked the light off and went out of the room. • Please flick the light off as you go out the door. • Please flick off the light. 2. Go to flick something off someone or something and flick something off., Phrase(s): flick something off someone or something [and] flick something off
to brush or knock a speck of something off of someone or something with a quick movement. • She flicked a speck of lint off his collar. • She flicked off the lint.
McGrawhill's American Idioms And Phrasal Verbs