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Etymology
from English ROFL, abbreviation for.

Verb

 * 1) to joke, to jest
 * 2) to laugh
 * 3) to laugh at (над кем, над чем)
 * 4) to laugh because (с кого, с чего)
 * 5) to mock, to deride
 * 1) to laugh because (с кого, с чего)
 * 2) to mock, to deride
 * 1) to mock, to deride