The act of attracting large amounts of guys, usually unwanted. Guys that are attracted are usually guys that girls thought were uninterested, but turn out to be hardcore crushing. This is not to say that "Guynips" are hot, though that is a big part. Guynips are generally outspoken and confident.
A gay kid. This boy is still in the closet and is afraid to come out. He needs more friends that are accepting of him; so if you know a Gundip, let him know that you will accept him no matter which way he likes it!