To feel sick. I woke up feeling puny, so I just stayed in bed all day. Elise didn't come to the party because she's feeling puny.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
feeling (kinda) puny
feeling ill. I'm feeling puny. Think I might be coming down with a cold. Bill had to skip football practice on account of he was feeling puny.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.