Someone that enjoys giving head to guys while they are taking a shit. while doing so they can hear the shit hit the water, hence the name plunker
Baxter: That nasty bitch Amanda gave me a plunker last night, and said she liked the way it smelled!
by The one and only Jdizzle October 15, 2006
by steve March 21, 2005
Jim:"Holy shit! What's that smell coming out of the bathroom?"
Rob:"Don't go in there, man. Joel just dropped a massive plunker! I just hope he flushed."
Rob:"Don't go in there, man. Joel just dropped a massive plunker! I just hope he flushed."
by Tman2217 May 03, 2017
by smellysockman September 07, 2010