What is Blunker?
1.
while sitting on the can having bowel movement you have your girl give you a blow job.
"baby i forgot my magazine, get in here and give me a blunker"
2.
stragne fart, with a sound of monstrous proportions, to a regular fart. Usually a powerfull fart, exhaled slowly, sounds like a speedboat engine.
"omg u smell that shit?"
"yeah, was a right blunker that wannit"
"indeed"
See