From Longman Dictionary of Contemporary Englishme toome toospoken used to tell someone that you feel the same way as they do, that you are in a similar situation etc ‘I’m hungry!’ ‘Me too.’ → me
Examples from the Corpus
me too• Dear Melissa I really fancy this boy and I think he likes me too.• She like what Nancy say. me too.• The other two, second and third sisters, teased me too, but their taunts held no malice.• It put me too far away, a little off the emotional page.• You can drive me too far.• She saw me too, no doubt, but that was it.• McMurphy says good morning, and I keep quiet even though she says good morning to me too, out loud.me-tooˌme-ˈtoo adjective [only before noun] informal a me-too product is one that a company begins to sell after it has seen that other companies are successful with the same type of product – used to show disapprovalFrom Longman Business Dictionaryme-tooˌme-ˈtoo adjective [only before a noun] infromalMARKETING a me-too product is introduced by a company after it has seen that other companies are successful with the same type of productThe bill would cancel funding for companies which produce me-too copies of existing drugs rather than discovering totally new ones. 