mucker
[verb]
Synonyms: botch, bitch (up), blow, blunder, bobble, bollix, bungle, gum (up), louse up, muck
[noun]
Synonyms: boor, bosthoon, chuff, churl, clodhopper, clown, grobian, wretch, blighter, lowlife, no-good, worm, wormling, tough, b'hoy, bullyboy, punk, rough, roughneck, rowdy, ruffian, toughie, yahoo

[TahlilGaran] English Synonym Dictionary ▲

mucker noun

1. a friend (usually a man's male friend)
   • ● It's my old mucker John!
   Word Originlate 19th cent.: from muck + -er; sense (1) probably from the phrase muck in. Sense (2) is probably from German Mucker ‘sulky person’.

[TahlilGaran] English Dictionary ▲