ถีบหัวส่ง

ถีบ (tìip, “to kick; to give a forceful shove with the foot”) +‎ หัว (hǔua, “head”) +‎ ส่ง (sòng, “to see off; to send off”); literally "to kick someone's head to send him off" or "to send someone's off by kicking his head".

ถีบหัวส่ง • (tìip-hǔua-sòng) (abstract noun การถีบหัวส่ง)

1. (idiomatic) to expel, drive out, or sever relations with someone, especially when that one is of no more use.