Play word 食い込む 食い込む くいこむ to be wedged (i.e. underwear pulled from the back, driving it between the buttocks)
Play word 追い込み 追い込み おいこみ forcing another player to fold (so that oneself can participate in the game)
Play word 聞き込み 聞き込み ききこみ getting information (esp. by interviewing witnesses, etc. in a police investigation)