Expectorant/cough suppressant containing 60 mg extended-release bi-layer dextromethorphan HBr tablets. Also contains 1200 mg guaifenesin.
Active ingredients also found in Mucinex DM, Delsym, NyQuil, etc.
by kolonoman October 21, 2008
Can you define these popular missing words?
When you snotrocket in your partner's asshole then fuck the asshole until your dick has a mix of shit and snot on it then make your partner give you a blowjob.
Guy#1: Last night I gave Peyton a Mucinex DM and she threw up everywhere!
by LIL z 904 September 07, 2016