トイトレトイトレMeanings1nountoilet training; potty trainingabbreviationcolloquialColloquial abbreviation of トイレトレーニング, used mainly in parenting contexts.See also: トイレトレーニングうちの子こはそろそろトイトレを始はじめる時じ期きだ。It's about time to start potty training our child.