pipes down (verb) mute: muffle, tone down sound
Sinonime: be seasick, be sick, boff, drive the bus, dry heave, eject,
emit,
expel, gag, heave, hurl, lose one's lunch, pray to the porcelain god, puke, ralph, retch, spew, spit up, throw up, toss one's cookies, upchuck, urp
Antonime: articulate,
speak,
voice