食い込む くいこむ
- to bite into (e.g. rope into skin); to cut into; to dig into (e.g. of fingernails)
- to break into (e.g. first place); to cut into (e.g. time, savings); to eat into; to encroach; to erode; to make inroads; to penetrate (e.g. a market)
- to be wedged (i.e. underwear pulled from the back, driving it between the buttocks)