to the tonsils

alternative up to the tonsils

1. figurativelyidiomaticinformalpostpositionalEntirely, completely, extremely, to the greatest degree.

   He was stuffed to the tonsils with cream crackers.

   2 more examples

   They sat there, robed up to the tonsils, and made me feel so below a juvenile delinquent.

   And who could say how soon, if I continued to be always at his side, Wilbert Cream would get it up his nose and start attacking me with tooth and claw? Already his manner was that of a man whom the society of Bertram Wooster had fed to the tonsils, and one more sight of the latter at his elbow might quite easily make him decide to take prompt steps through the proper channels.

   1960, P[elham] G[renville] Wodehouse, chapter VI, in Jeeves in the Offing, London: Herbert Jenkins, →OCLC

   Synonyms: all the way, from soup to nuts, in excelsis, to the backbone, to the bone, to the brim, to the core, to the fullest