an over exaggerated 'phlegmy' cough; a cough associated with much acting to make the cough seem worse than it really is
*After somebody flails around while coughing*
Wow, that was very phlegmboyant!
by Cory Angen May 3, 2007
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A shocking overproduction of snot that is impossible to conceal or contain.
OMG - did you see that phlegmboyant guy on the subway? There was a puddle of snot forming around him.
by Frenetic1 August 29, 2022
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