The feeling of being completely mentally or emotionally overloaded and exhausted by a large amount of information, tasks, or impressions.
example
Nach dem langen Meeting war ich von den vielen neuen Informationen total erschlagen.
After the long meeting, I was totally overwhelmed by all the new information.
Usage tips
Word structure: past participle
'Erschlagen' (overwhelmed/slain) is the past participle of the verb 'erschlagen' (to kill someone by beating them). The prefix 'er-' often indicates a final result. The colloquial meaning 'überfordert' (overwhelmed) is a figurative transfer of this.
EXAMPLE
Die Nachricht von seinem Tod hat uns alle erschlagen.
The news of his death overwhelmed us all.
Use with 'von'
In the meaning 'überfordert' (overwhelmed), 'erschlagen' (overwhelmed) is often used with the preposition 'von' (+ dative) to name the cause of the overwhelm.
EXAMPLE
Ich bin von der Menge an Arbeit total erschlagen.
I am totally overwhelmed by the amount of work.
Register: colloquial language
The figurative meaning 'überfordert' (overwhelmed) is very typical of spoken colloquial language. It expresses strong mental or emotional exhaustion.
EXAMPLE
Nach dem langen Flug war ich einfach nur noch erschlagen.
After the long flight, I was just completely wiped out.
Context clue
The figurative meaning 'überfordert' (overwhelmed) is much more common in everyday life. The literal meaning 'getötet' (killed) occurs almost only in reports about crimes or in historical contexts.
EXAMPLE
Nach dem Umzug war sie von dem ganzen Chaos völlig erschlagen.
After the move, she was completely overwhelmed by all the chaos.
Compare with
antonym
erschlagen vs entspannt
relaxed
Here, 'entspannt' and 'erschlagen' describe opposite inner states. Someone who is 'entspannt' feels calm and not stressed. Someone who feels 'erschlagen' is completely overwhelmed and tired from too many tasks, pieces of information, or impressions. So 'entspannt' fits when someone has energy and calm. 'erschlagen' fits when everything becomes too much and you can barely take anything in anymore.
erschlagen
Nach drei Stunden voller neuer Informationen fühlte sich Tom erschlagen.
After three hours full of new information, Tom felt overwhelmed.