matschig 

German colloquial for having a mediocre hangover.
Also means feeling sick.

I'm matschig. I drank to many steins yesterday.

matschig by davidclay December 13, 2013

matsching 

To look over and read a person's text messages while they are unaware of you seeing them. Considered very annoying to most people and an invasion to their privacy. Similar to eavesdropping.

Dude, you are matsching on me right now and I dont appreciate it. Knock it the fuck off.

matsching by fershnigglenawhif July 2, 2011

Maschigewenis 

Moldy Aged Short Crooked Herpes Infested Gay Eskimo Weiner Penis.

Wow, that douchebag is a real Maschigewenis!

Maschigewenis by Luftwaffe1O1 October 26, 2005