ラリる

1. 1to get high (on drugs) ; to trip Translated by Jiyomi
2. 2to slur one's words (as a result of taking sleeping pills, etc.) Translated by Jiyomi
3. 3to lose one's wits (due to lack of sleep, etc.) ; to space out ; to lose focus Translated by Jiyomi

Other writings and readings

JMdict entry 2083040. Source and licence.