What is Maintain?
1.
To keep your composure even in the most adverse and drunken circumstance.
Dude I need to maintain or I won't make it to the next bar.
2.
To trim and/or shave one's pubic hair.
Jane had a date with Timmy on Friday night; on Thursday, she took a long, hot shower and maintained what had become her forested guntal area.
See
3.
To make a token phonecall or some other token effort to show your lady that you are always thinking of her whilst embarking on a 24 hour session.
Fancy another beer mate?
Err yeah but give me a minute. I need to maintain while I'm still capable
