Used before a noun or adjective to mean ‘extremely funny’.
It is a laugh-out-loud comedy that keeps audiences in stitches.
Это уморительная комедия, которая доводит зрителей до истерического смеха.
Functions as an intensifying adverb meaning ‘so as to provoke audible laughter’.
The book is laugh-out-loud funny from start to finish.
Книга уморительно смешная от начала до конца.