wipe offphrasal verb
Definition of wipe off
1 : to clean (someone or something) by using a towel, one's hand, etc. I wiped off the baby and took him out of the high chair. She wiped the counters off.
2 : to remove (something) by rubbing I wiped the food off the baby's face. She wiped off the oil from the counter. —often used figuratively in British English More than a billion pounds have been wiped off share prices.