Grandma 's Boy was met with mainly unfavorable reviews , but was generally liked by audiences .
Though the film was not successful in theaters , it managed to become a success on the home video market , grossing $ 31,990,186 in DVD sales. On Rotten Tomatoes the film has an approval rating of 16 % based on reviews from 63 critics , with an average rating of 3.55/10 .
Grandma's Boy -LRB-2006 film-RRB-