Literal meaning: a pair of swords, typically a katana and wakizashi worn together by samurai.
The samurai wore two swords at his waist.
being skilled in two fields; expert in two fields
Abbreviation of 両刀使い. Refers to a person who excels in two different areas, such as two sports or two academic disciplines.
See also: 両刀使い (りょうとうづかい)
He is skilled in both mathematics and music.
liking both alcohol and sweets; person who likes alcohol and sweets equally
Abbreviation of 両刀使い. Describes someone who enjoys both drinking and eating sweets, often used in a lighthearted or self-deprecating way.
See also: 両刀使い (りょうとうづかい)
I can enjoy both alcohol and sweets—I'm what you'd call a 'ryōtō'.
Abbreviation of 両刀使い. Slang for a bisexual person, derived from the idea of 'using both swords'.
See also: 両刀使い (りょうとうづかい)
There's a rumor that he's bisexual.
two-sword fencing; two-sword fencer · being skilled in two fields; expert in two fields · liking both alcohol and sweets; person who likes both alcohol and sweets · bisexual (person)
dilemma
From 両 (both) + 刀 (sword). Originally referred to wearing two swords. Extended meanings are abbreviations of 両刀使い (dual-wielder).