The Hebrew that is translated into English as “enjoy yourself” or “let your heart be merry” is translated with an expression in Chol that implies sex.
Verse: Judg 19:6
וַיֵּשְׁב֗וּ וַיֹּאכְל֧וּ שְׁנֵיהֶ֛ם יַחְדָּ֖ו וַיִּשְׁתּ֑וּ וַיֹּ֜אמֶר אֲבִ֤י הַֽנַּעֲרָה֙ אֶל־הָאִ֔ישׁ הֽוֹאֶל־נָ֥א וְלִ֖ין וְיִטַ֥ב לִבֶּֽךָ׃
Retrieving the verse