To warrant the punishment of lashes, one must consume the food in a normal fashion: Pesachim 24b
Swallowing a large amount in one gulp: Pesachim 44a
Forcing an item down: Shabbat 76a
A person's eating must match the normal style: Pesachim 44a
Eating forbidden fat raw isn't considered the "Normal Fashion": Pesachim 24b
Considering an Olive-Amount eaten within the time to eat a "Peras" of food, to be the forbidden amount, Biblically or Rabbinically: Pesachim 44a
What happens if one stops and starts during the act of eating, such that eating requires more than the normal time it takes to eat a "Peras" of food: Keritot 13a
Above, for Mixtures of leaven on Pesach: Pesachim 44a