1981 R. Dahl George’s Marvellous Medicine 47: How’s that for a bash up?at bash up (v.) under bash, v.
1981 R. Dahl George’s Marvellous Medicine 28: [of a woman] They will no doubt cause some splendid explosions inside the old geezer.at old geezer (n.) under geezer, n.1
1981 R. Dahl George’s Marvellous Medicine 16: He had a tremendous urge to do something about her. Something whopping.at whopping, adj.