man panties

derogatory plural plural-only slang

(slang, derogatory) Men's or boys' briefs.

Japanese Meaning

男性用または少年用のブリーフパンツ（スラング、軽蔑的表現）

She found a pair of man panties in the laundry and couldn't stop laughing.

彼女は洗濯物の中で男性用ブリーフを見つけて、笑いが止まらなかった。

Sense（1）

(slang, derogatory) Men's or boys' briefs.

Don’t deny. I’ve seen your underwear drawer. Briefs galore. Man-panties to go along with your man-bangs.