Do a one-eighty and Give in

Give in and do a one-eighty are semantically related. In some cases you can use "Give in" instead a verb phrase "Do a one-eighty".

Give in verb - To give up and cease resistance (as to a liking, temptation, or habit).

Do a one-eighty and give in are semantically related. Sometimes you can use "Do a one-eighty" instead a verb "Give in".