JokesMarriage A Class Professor Was Giving A Lecture. What Follows Next Is Mind Blowing. 29.8k Views A class professor was giving a lecture on company slogans and was asking his students if they were familiar with them. “Joe,” he asked, “Which company has the slogan, ‘come fly the friendly skies?” Joe answered the correct airline. “Brenda, can you tell me which company has the slogan, “Don’t leave home without it?” Brenda answered the correct credit card company with no difficulty. “Now Johnny, Tell me which company bears the slogan, ‘Just do it?” And Johnny answered, “Mom.” See more Previous joke An Old Man Had A Dog He Just Loved. Next joke The Teacher Addresses A Student.