Verbseoul.
regular
떡치다tteokchidato fuck, to shag, to hump

To say to fuck, to shag, to hump politely in the present tense, use 떡쳐요 (ttuhg-chyuh-yoh). Below is the full conjugation of 떡치다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
떡쳐
ttuhg-chyuh
떡쳐요
ttuhg-chyuh-yoh
떡칩니다
ttuhg-cheem-nee-dah
Past
떡쳤어
ttuhg-chyuh-ssuh
떡쳤어요
ttuhg-chyuh-ssuh-yoh
떡쳤습니다
ttuhg-chyuh-sseum-nee-dah
Future
떡칠 거야
ttuhg-cheel- -guh-yah
떡칠 거예요
ttuhg-cheel- -guh-yae-yoh
떡칠 겁니다
ttuhg-cheel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
떡치세요
ttuhg-chee-sae-yoh
Suggestion / Let's Polite (요)
떡쳐요
ttuhg-chyuh-yoh
Question Polite (요)
떡쳐요?
ttuhg-chyuh-yoh-?
Connective “and” — (고)
떡치고
ttuhg-chee-goh
Conditional “if” — (면)
떡치면
ttuhg-chee-myuhn
Noun form — (기)
떡침
ttuhg-cheem