It means give you a tip but heads up means put your head down because someone is going to throw something at you.
The meaning of "heads up" is to watch out. For example if i threw a baseball at your face, to give you a warning i would say "heads up". or if you are playing catch
Head down, bum up: A figurative bodily position adopted when working hard at some task, either physical or mental. (Head down may well be literal, but bum up is figurative.) -from wiktionary
When sheep or goats want to prove who is the strongest they butt their heads together until one gives up, leaving the other the winner. In the same manner when two people try to dominate each other they may continuosly quarrel in the hope that the other one will yield, this is called "butting heads"
Give up is two words. Nevertheless... The police asked the fugitive to give up and lay down his weapons.Give up is called a phrasal verb and functions as a single word. It has more than one meaning. It has the meaning of surrender (as in the sentence above) and also the meaning of to stop doing something.I want to give up smoking.Because it is a verb give up can also have other forms eg giving up / gives up / gave up / has given upI am giving up drinking this year.She gave up smoking last year. I have given up smoking for 5 years.
giving a nail cliper as a gift meaning
The meaning of "heads up" is to watch out. For example if i threw a baseball at your face, to give you a warning i would say "heads up". or if you are playing catch
Surrender
Giving information that brings something up to date.
It is a song about perserverance and never giving up.
meaning of double hump
Giving heads
The side heads is slightly heavier giving it a greater likely hood of landing on tails.
any heads good head
That light is giving you a "heads up" that something is wrong with the brakes. Take the vehicle to a qualified mechanic as soon as possible, don't wait.
Head down, bum up: A figurative bodily position adopted when working hard at some task, either physical or mental. (Head down may well be literal, but bum up is figurative.) -from wiktionary
It means just what it seems to -- someone tosses a coin up and you try to guess which side will be facing up when it lands. "Heads" is the side with the person's face on it and "tails" is other side.
Luck of the flip, but they do not always land heads up.