log ‧ roll ‧ ing /ˈlɒɡˌrəʊlɪŋ $ ˈlɒːɡˌroʊ-, ˈlɑːɡ-/ BrE AmE noun [uncountable] American English informal
1 . the practice in the US Congress of helping a member to pass a ↑ bill , so that they will do the same for you later
2 . the practice of praising or helping someone, so that they will do the same for you later