2. Initialism. (fandom slang) One true pair (or pairing), the romantic pairing preferred by an author or reader of fan fiction. ¹
3. Initialism. (electronics) one-time programmable, for electronic devices that can only be programmed once. ¹
4. Initialism. On the phone. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of OTP
OTC OTC market OTC security OTC stock OTE OTF OTFE OTIF OTK OTL | OTM OTO OTOH OTOO OTOT OTP (current term) OTPROM OTR OTRS OTT | OTW OU OUID OUIL OV OVA OVAs OVC OVP OVS |