Swedish edit

Etymology edit

runka (jerk off, wank) +‎ muskel (muscle)

Noun edit

runkmuskel c

  1. (slang, usually in the definite) brachioradialis (muscle of the forearm)
    Synonym: brachioradialis

Declension edit

Declension of runkmuskel 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative runkmuskel runkmuskeln runkmuskler runkmusklerna
Genitive runkmuskels runkmuskelns runkmusklers runkmusklernas

References edit