the mind > attention and judgement > esteem > approval or sanction > commendation or praise > applause > [noun] > shouted applause > at American universities (2)
U.S. An enthusiastic cheer imitating the sound of a rocket as it ascends into the air and explodes. Cf. sis-boom-bah, n. int. Now historical.
U.S. More fully rocket cheer. At Princeton University: a cheer imitating the sounds associated with the setting off of a firework rocket (see…