~まくる (do X to excess / all out)
grammar2 sentences
The colloquial auxiliary ~まくる attached to a verb stem, meaning 'to do X to an extreme / all out / without restraint / excessively and repeatedly.' Emphatic and informal: 食べまくる ('eat everything in sight'), 買いまくる ('go on a buying spree'), 歌いまくる ('sing your heart out').