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1.
to use part of a limited supply of a drug.
"Natalie, I know we were supposed to wait until the morning, but I think we should dip in to the coke right now."
by natarie July 31, 2007
26 8
 
2.
The act of barely inserting an unprotected penis inside a vagina in the heat of the moment, then quickly removing said penis to put on a condom before continuing with sexual intercourse.
Patty: Dude, did you fuck that chick last night?

Adam: Yeah man, I let myself dip in and got scared shitless, so pulled out right away and put on a glove to finish.
by jackstar25 March 16, 2013
2 4
 
3.
It's time to go. Usually used when your late for something or when you find your self in an unsatisfying or uncomfortable situation.
Q: What time is it?
A: 10 to 5.
- dipin

Q: What the fuck is that?
A: I think that's your mom getting a Cleveland Steamer
- dipin
by McLovin Life December 04, 2007
7 17