Final answer:
The phrase 'I was stuffed after Thanksgiving dinner' is a metaphor, a type of figurative language used to describe the speaker's sense of being very full creatively and vividly.
Step-by-step explanation:
The figurative language word for "I was stuffed after Thanksgiving dinner" is a metaphor. This phrase compares the speaker's feeling of fullness to being filled without using like or as, which would indicate a simile.
Figurative language is used to express ideas in creative ways that differ from the literal definitions of words, to add color and imagination to descriptions, making them more vivid and engaging for the reader.