not able to hold it (in)(redirected from aren't able to hold it in)
not able to hold it (in)
No longer able to prevent oneself from urinating. I tried to sit through the rest of the movie, but I wasn't hold it anymore and raced out of the theater to use the bathroom. I was worried our son wouldn't be able to hold it until we got home.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
not able to wait
to have to go to the bathroom urgently. (Also more broadly literal.) Mom, I can't wait. Driver, stop the bus! My little boy can't wait.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.