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To engage in deep and meaningful thought, through use of concentration on the breath through the proboscis, as per meditation
'This is indeed a predicament we will have to probosculate upon'
by WillieVanillie November 15, 2006
To intrude upon a matter, particularly where the intrusion is uninvited. In simpler terms, "to stick one's nose into" or "to meddle".
"It is indeed a problem for us to probosculate upon." --Dr. Teeth, The Muppet Movie
by TheDictionaryDiva December 03, 2013
nasally ejaculate; sneeze
You do seem to probosculate often.

I have a cold...
by destructo liver January 07, 2007