This is taken from the movie Bill and Ted's Bogus journey. It refers to evil robot Ted and evil robot Bill seeing the photos of the princesess and Evil Ted getting a semi-erection and saying "I got a full-on robot chubby." Chubby being his penis before becoming turgid.
It has nothin to do with being turned on by robots. It is to do with ROBOTS being turned on!
Evil robot Ted: I got a full on robot chubby.
Evil robot Bill: Excellent! (Probably!)
An erection in between a semi-boner, and a full on boner.
"hey buddy, that girl just gave me a chubby 'ole groundhog!"
When you want someone to see your penis.
Hey can you look at my chubby I want you to see if it’s a normal size
The clerk gave me 25% off, so i walked out of the store with a pubby chubby.
A person that hides their fat using crafty photography techniques
Nah man, look at the picture carefully, that girl/guy is a chubby smuggler.
That person is smuggling some contraband chubby.
The sudden surge of fat people to enter a room, or area of space that you are occupying.
bit of a chubby flux when the bus from fat fighters turned up
Someone who when taking shots, drinks a huge chaser and a lot of it. The chaser makes them fat because its soda. So they are chubby.
LETS GET FUCKED UP!
*takes shots*
chubby chaser: *drinks an entire coke can as a chaser*
"Dude you are such a Chubby Chaser you just downed an entire soda!!"