A person who is highly perverted and tends to have a way off clinging to people. They are the kind who are likely to stalk somebody or follow them around, especially when they are unwanted. Being a third wheel or being placed in an awkward situation does not bother or discourage them.
Someone who is smunchy may be very creepy and forcefully touch people in a way that they think is funny. When told to stop they will repeatedly ask "why?" because they dont understand what is inapproriate and socially awkward.A person who is smunchy may may also make bad jokes at horrible times.
A person maybe be called the following:
Variants include: smunch (verb and noun), smunchiest (for emphasis) and smunchbag (can be both a noun and adjective).
"That kitten is the smunchiest smunch that ever smunched."