rackabajsare

Etymology
By surface analysis, racka + ("rackapooper"), where racka has no obvious meaning. According to the forum discussion linked in the references, said by language coach Jens Bagge to be from German (=  + ).

Noun

 * 1)  a shot of strong liquor
 * 2)  a hard shot
 * 1)  a hard shot
 * 1)  a hard shot

Usage notes
May also refer to other things considered powerful. The senses above are the most common.