go a bundle on sth

(not) go a bundle on sth {British informal} (not) to like something very much — быть (не) в восторге от чего-л (usu. in negative)

Example 1: I don't go a bundle on his taste in clothes. (freesearch.co.uk)

Example 2: I don’t go a bundle on seeing a man and woman snogging. (OALD)