A sexual activity involving some preparation. One participant among a couple or group eats a high protein diet for a number of days resulting in a rock hard poo. This can then be "fired" up the partners anus, when both are bent over bottom to bottom, in the fashion of a scud missile being launched.
When a conversation is in action and one wants to contribute to the discussion, but is left stammering when another individual speaks before them.
Everyone does stoddering, it is a normal part of human conversation.
Robert: Why does that girl always eat bacon zebra cakes?
Wesley: I dunno, bu-
Colton: DID ANY OF YOU GUYS CHECK DAT KNEW SKYRIM GAMERPLAY?????!?!?!?!?!?!?!!?
Wesley: ju-ju-duh-duh, faggot
Robert: Damn Wesley, you just were stoddering hard