A response to the question What time is it? for those who are too lazy to check a clock. Example: On arriving in bed after a good party a loved one may ask groggily What time is it? To which you reply very quickly twennypasfour, even though it is 6:13 am.
TWENNYPASFOUR
Meaning of TWENNYPASFOUR in English
Slang English vocab. Английский сленговый словарь. 2012