Over Time Grind (
OTG)or OTG can be used in present tense (I'm on my "OTG(Over Time Grind)" It can be used in past Tense "You know I was on my "OTG(Over Time
Grindin')Yesterday That's why I Didn't get back with you" It can be used as a Farewell "Call my Phone - Ok - OTG - OTG