Beg to be excused and Send up

Send up and beg to be excused are semantically related. In some cases you can use "Send up" instead a verb phrase "Beg to be excused".

Send up verb - To copy or exaggerate (someone or something) in order to make fun of.

Beg to be excused and send up are semantically related. Sometimes you can use "Beg to be excused" instead a verb "Send up".