Is stutter rizz possible?

Is stutter rizz possible? I’d say I’m pretty conventionally attractive as a guy, so I’d notice a lot of girls giving me the “look” The problem is, if I go up to them and start stuttering, they dry tf up. That’s why I don’t really approach. At all. A lot of times I’d feel like I’d have this “imposter syndrome” where I feel people expect me to act a certain way, but I’m really the opposite. And because of this, my “game” is pretty shit, and I can’t really find a girl. How should I even get experience in flirting and escalation if it just comes out stupid?