backside

To believe a person is better or more important than others or above reproach. (Note: If thought about oneself, it means that he or she is arrogant, conceited, or self-absorbed. If someone thinks this of another person, it means that he or she loves or admires that person to such a degree as to be blind to any of their potential faults.) Tom has acted like he's such a hotshot after getting the promotion. He thinks the sun shines out his backside! He's absolutely head-over-heels in love with Mary. Even though I find her a bit irritating, he thinks the sun shines out her backside.

As though someone or oneself is better or more important than others. Various slang and vulgar synonyms for "backside" are often substituted. (Note: If thought about oneself, it means that he or she is arrogant, conceited, or self-absorbed. If someone thinks this of another person, it means that he or she loves or admires that person to such a degree as to be blinded to any of their potential faults.) Samantha has such an ego and acts as if the sun shines out her backside. He's absolutely head-over-heels in love with Mary. Even though I find her a bit irritating, to him it's as if the sun shines out her backside.

A forceful gesture or message of some kind (usually delivered with good intentions) that acts as motivation to the (previously unmotivated) recipient. Primarily heard in UK, Australia. The threat of divorce was the kick up the backside he needed to start working on improving his marriage.

Totally bald. My father had long hair as a teen, but now he's bald as a coot.

rude slang To be an especially irritating, aggravating, or obnoxious person, thing, or situation. Primarily heard in UK. You know, Jack, you may be my friend, but you can be a real pain in the arse sometimes! This calculus homework is a real pain in the arse. It's not that I don't understand it, it's just so tedious!

completely bald. (*Also: as ~.) If Tom's hair keeps receding like that, he'll be bald as a coot by the time he's thirty. Fred: Now, I'll admit my hair is thinning a little on the top, but—Jane: Thinning? You're not thinning, you're as bald as a baby's backside!

Cliché very soft and smooth to the touch. (*Also: as ~.) This cloth is as soft as a baby's bottom. The kitten's fur was as soft as down. Your touch is soft as silk. This lotion will make your skin soft as velvet.

to stop being lazy and start doing something It's time the government got off its backside and did something about improving the railways. (British & Australian very informal!)

if you give someone a kick up the backside, you do or say something to try to stop them being lazy He does nothing but watch TV all day. His mother should give him a kick up the backside. The threat of losing my job was the kick in the pants I needed.

to be very annoying I can't stand my brother-in-law. He's a real pain in the arse. Getting up for work at 5 a.m. is a pain in the ass.

to love or admire someone so much that you do not think they have any faults You're never going to hear Maggie criticizing Jim - she thinks the sun shines out his backside!

to work very hard My father worked his backside off to pay for our education.