There are more vulgar ones in Spain:
Me la suda ("la" refers to "la polla"): It makes my dick sweat
Me la pela: It peels my dick
Me importa una mierda: That matters a shit to me
Obviously, this last one is closer to "I don't give a shit," but it's essentially the same sentiment.
EV Camino
¿Por qué no los dos? (a phrase that itself is both of the 2010s and also timeless)
There are more vulgar ones in Spain:
Me la suda ("la" refers to "la polla"): It makes my dick sweat
Me la pela: It peels my dick
Me importa una mierda: That matters a shit to me
Obviously, this last one is closer to "I don't give a shit," but it's essentially the same sentiment.