babyishly

adv

Etymology: From babyish + -ly.

1. In a babyish manner.

   “Marc Jacobs, wearing his Sunday best and still with blue hair, came out onto a concert stage in the 26th Street Armory not 10 minutes after his show was scheduled to start, waving his arms and calling out babyishly to the arriving guests, who included fashion plates like Victoria Beckham and Kevin Federline.”