When you get a girl ridiculously drunk, and whilst she is chundering in a toilet you slip your willy in her vagina. You proceed to ride her of the convulsive movements of her body as she vomms. This can lead to a "thorgasm", the next stage in thunderchucking.
Both thorgasm and thunderchucking can be confused with norse mythology, but avast do not be baffled. Thunderchucking is a pun (play on words) of chunderfuck, thus humour ensues a-plenty. Suffice to say a night is only ever complete with the acheivement of one thunderchuck minimum, although jocularity is not always dependant on a thorgasm.
ThunderCheeksz - A massive amount of ass then when it walks together the earth shakes with the sound of Thunder. Usually referred to in a good way or in friendly jest.
When a bearded bass angler swoops in and make meaningless conversations about the fact that he has been using a chartreuse tube all morning while the thought of Angus Young playing guitar race through his head. Then casts exactly where you have been fishing all morning and catches your fish.
Code for a person who flashes their thighs and stroke their legs much to often to be considered normal. Also a strong powerful man who has a soft side.
A "obese" person that can run a 5sec 4Oyard sprint, a 8 minute mile, or can jump 30 inches or higher.
Man 1:Wow, that fat guy just robbed the supermarket!
Man 2:Where is he, where did he go?
Man 1:MAN!, he ran fast as hell! Yo, I think he was a thunderchunky.