Have wrong impression and Slip-up

Slip-up and have wrong impression are semantically related. In some cases you can replace phrase "Slip-up" with "Have wrong impression", this phrases are similar.

Slip-up noun - A minor inadvertent mistake usually observed in speech or writing or in small accidents or memory lapses etc..

Have wrong impression and slip-up are semantically related. Sometimes you can use "Have wrong impression" instead a verb phrase "Slip-up".