A term used as an answer to something your not too bothered about either way.
I am tired, but not like that; could sleep but can also go without.
yeh, we stuffed ourselves stupid, but not like that; we ate till we were fat, but we are not fat.
I fell and it really hurt, but not like that; you hurt yourself but it was nothing serious.
1) Do you like pop music?
2) Not like that, don't mind some stuff.
1) We are going swimming, do you like swimming?
2) Not like that, I just like chilling out by the water, not fussed.