1. creaking; squeaking
Adverb
Adjective (な)
Onomatopoeic
2. packing in tightly; cramming; squeezing
3. hard (pressing, tying, twisting, etc.); tightly; with force
Adverb
Adjective (な)
Adjective (の)
Onomatopoeic
4. going hard (on someone); tormenting (e.g. with questions)