[answer the call of nature] or [obey the call of nature] […]

[answer to] {v.} To be named; go by a certain name […]

[ante up] {v.}, {informal} To produce the required amount of money […]

[arse over tit] {v.} [Head over heels], to fall over or […]

[ask for] {v.}, {informal} To make (something bad) likely to happen […]

[ask for one's hand] {v. phr.} To ask permission to marry […]

[ask for the moon] or [cry for the moon] {v. phr.} […]

[back away] {v.} To act to avoid or lessen one's involvement […]

[back down] or [back off] {v.}, {informal} To give up a […]

[back out] {v. phr.} 1. To move backwards out of a […]