ace in
To be fortunate in gaining admittance somewhere. Gary managed to ace in a few minutes before the store closed for the night.
ace in(to something)
To be allowed entry into something, usually fortuitously. They don't accept many applicants, so if you manage to ace into this company, you'd be lucky indeed.
ace in(to something)
to be lucky in getting admitted to something. I aced into the history class at the last minute.
ace in
verbace in(to something)
in. to happen onto something good; to manage to get into something. I hope I can ace into the afternoon physics class.