also: バリサン
noun
full signal strength (on a cellphone); good cellphone reception; three bars
Colloquial term derived from バリバリ三本, referring to three signal bars on a cellphone display. Used to indicate strong reception.
ここはバリ３だから、動画もサクサク見られるよ。
I've got full bars here, so I can watch videos smoothly.
山の中だけど、意外とバリ３だね。
Even though we're in the mountains, surprisingly I have three bars.
An onomatopoeic adverb meaning 'vigorously' or 'crackling'; バリ３ is a playful shortening of バリバリ三本.
Colloquial abbreviation of バリバリ三本 (baribari sanbon), literally 'three crackling bars', referring to the three signal-strength bars on a cellphone display.