The sound a clock makes when it is neither a clicker or a clunker.
"What's that shlunking sound?"
"Shlunk..shlunk..shlunk..."
A penis who gets size gets wider as it goes out, taking the shape of a cone.
Jenna: Why does my husband have such a shlunk. :(
To drop a fork from significant height down your urethra
Kevin just shlunked with Bob from a two story window
that sound when you take a dump into the toilet and some water splashes back and touches your bum bum.
dude did you hear Sally make that shlunk last night. it gave me a boner.
To have an erection is to be Shlunked up
"Shawty so bad she got me Shlunked up"