Verb

(oblig)

To constrain someone by force or by social, moral or legal means.

I am obliged to report to the police station every week.

{{quote-Fanny Hill, part=3 , Tho' he was some time awake before me, yet did he not offer to disturb a repose he had given me so much occasion for; but on my first stirring, which was not till past ten o'clock, I was oblig'd to endure one more trial of his manhood.}}

To do someone a service or favour (hence, originally, creating an obligation).

He obliged me by not parking his car in the drive.

*

To be indebted to someone.

I am obliged to you for your recent help.

To do a service or favour.

The singer obliged with another song.

Verb

(bulldoz)

To destroy with a bulldozer.

He's certainly very chirpy for a man whose house has just been bulldozed down.

(UK) To push someone over by heading straight over them. Often used in conjunction with "over".

He just ran across the field bulldozing everyone over.

(UK) To push through forcefully.

* '>citation

For the second time in a week, Wenger's team gave themselves an encouraging platform. In the 11th minute Theo Walcott drilled in a corner, and Olivier Giroud bulldozed through unopposed to thump the ball goalwards.

To push, as a bulldozer pushes

"Again the animal had bulldozed all its bedding with its fat bottom into a heap at one end of its cage."

(UK) To shoot down an idea immediately and forcefully.

That was a good suggestion, but you just bulldozed it.

(US, slang, dated) To intimidate; to restrain or coerce by intimidation or violence; used originally of the intimidation of black voters in Louisiana.