A person whose crankiness is so extreme it feel like a t-rex just bit your head off. Their crankiness is as large as a brontosaurus and this person is to be avoided.
A phenomenon where the penis makes a pop or snapping sound while masturbating, much like the sound of bubble wrap being stepped on.
See also: "snap, crackle, cock".
"Dude, what's that crackly noise I keep hearing through your bedroom wall? You eating Rice Krispies?"
"Nah, I was just jerkin'. Crinkle dick."