YOU SAID:

when he goes to the loo too hard and gets explosive diharrea

INTO JAPANESE

彼があまりにも頑張って洗面所に行くと、爆発性の二日酔いを起こす

BACK INTO ENGLISH

he goes to the washroom too hard and causes an explosive hangover

INTO JAPANESE

彼は頑張りすぎてトイレに行き、爆発的な二日酔いを引き起こす

BACK INTO ENGLISH

he goes to the bathroom too hard and causes an explosive hangover

INTO JAPANESE

彼はトイレに行きすぎて、爆発的な二日酔いを引き起こす

BACK INTO ENGLISH

he goes too far to the bathroom and causes an explosive hangover

INTO JAPANESE

彼はトイレに行きすぎて、爆発的な二日酔いを引き起こす

BACK INTO ENGLISH

he goes too far to the bathroom and causes an explosive hangover