an innocent cup too much
1. Does "in consequence of an innocent cup too much" mean "in consequence of drinking too much booze"?
2. Does "which he reserved for such occasions" mean "the German swear words which he reserved for such occasions"?
Context:
Maelzel was always angry with Schlumberger for losing a game, and that whenever this happened… in consequence of an innocent cup too much, he used to swear horribly at his meek and penitent director in the terrible German, which he reserved for such occasions.