COLDCALL
cold call
Noun
- A sales call either by telephone or personal presence, made without a referral or without preparing the recipient of the call.
- I got a cold call in the middle of dinner from someone trying to sell encyclopedias.
Verb
- To call someone without preparation or referral.
The above text is a snippet from Wiktionary: cold call
and as such is available under the Creative Commons Attribution/Share-Alike License.