Colin Jost and Scarlett Johansson s decision to go with a noteworthy name for their son took a little getting used to for one family member in particular.

The Saturday Night Live star revealed during an appearance on Late Night With Seth Meyers Thursday that his mom was slightly thrown by the couple naming their first child together Cosmo and that she didnt quite understand it.

I dont know if she thought it was kind of like a hippie thing, Jost quipped. She would call us and say, after you know, like three or four days, shed be like, Cosmo.