[bugger off] {v.} go away.

[build a fire under] {v. phr.} To urge or force (a […]

[build castles in the air] or [build castles in Spain] {v. […]

[build on sand] {v. phr.} To lay a weak or insufficient […]

[build up] {v.} 1. To make out of separate pieces or […]

[build up to] {v. phr.} To be in the process of […]

[bullshit] {v.}, {vulgar to informal}, {gaining in social acceptance by some} […]

[bum around] {v. phr.}, {slang} To aimlessly wander in no definite […]

[bum to a crisp] {v. phr.} To burn black; burn past […]

[bump into] {v.}, {informal} To meet without expecting to; happen to […]