In most cases, a corndog is a joint rolled with a small (or large depending on your taste and tolerance) amount of cocaine in it. Supposed to give you the effects of both without the speedy high of snorting. Not for the beginner.

Corndog. (Noun) Used to describe someone, usually a lame wannabe tuff guy/gangster. They talk the talk, dress the part,always seeking attention in large groups. Telling stories of how they whooped so & so. Been doing drive by's since they were 9yrs old. Got a whole buncha tattoos, face tattoos especially. Teardrops, other words or phrases representing their "gang" or "hood". It could also be a gym going guy, buffed out, but can't scrap a lick. They're referred to as a Corndog because, you can change your appearance, but underneath the batter, no matter how thick it is, the Corndog is still just a Weenie in disguise.

females who sleep around with their family members friends.

Frozen hotdog covered in corn meal batter, in this reference it is used as a cooling device.

an undercover weenie

When you shove your knee up between a person's butt cheeks, resulting in shrieks of pain, revenge, or surprise.

Also, a hot dog-type sandwich coated in cornbread batter and deep fried in hot oil, although some are baked. They are also served on a wooden stick.

When you cut off someone’s dick, run a wooden stick through the urethra, deep fry it, and eat it in front of them.