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1.
Drinking something out of a bottle or can without touching it to one's lips; this is accomplished by holding the drink a few inches above one's head, leaning back, and pouring the drink into one's mouth. The term refers to Mountain Dew commercials which show people drinking Mountain Dew out of bottles in this manner ("Do the Dew" is also Mountain Dew's slogan). Doing the dew is employed to avoid sharing germs when sharing a drink; it is also an effective way to spill the drink everywhere and make a mess (see water boarding).
Chris decided to do the dew to avoid contaminating my soda bottle with his germs; after overdoing it, he choked and spewed it all over Chelsea's face.
by yaolinglingjiu March 13, 2009
 
2.
The Mountain Dew slogan meening to drink some mountain dew!
<ur_mom69> dude wanna go hang out and do the dew?
<m*therfker3> Sure!
by Phily April 09, 2005
 
3.
Having sex with a Mountain Dew container. See: fuckyeahdothedew.tumblr.com
Aww man, did you see her Do the Dew? How did that fit in her pussy?
by Kgramblam December 29, 2013
 
4.
(a) drinking out of a bottle without touching your lips to the rim, like they do in commercials.

(b) using a homemade bong
(a)

guy 1: hey, let me get some of that grape drink.
guy 2: no way dude, you'll backwash.
guy 1: come on please? i'll do the dew.
guy 2: alright, here.

(b)
girl 1: are we smoking out of a banana peel and a cork?
guy 1: yeah, i lost my bong so we're going to have to do that dew.
by Charity Jule October 30, 2009
 
5.
Inserting a finger into a person's rectum while giving a blow job, typically in a gas station bathroom
Man1: "Did you hear what she's goin to do?"

Man2: What man?

Man1: She grabbed up dude and they're goin' to "do the dew!"

Man2: Again?!
by dirtyjoe282 March 26, 2010
 
6.
When you insert your penis into your sexual partner's rectum and then urinate. Often the penis has to be inserted fully and then become slightly flaccid, however true "Dewers" are able to maintain a full erection.
Mary: "Hey, are you coming out tonight?"

Jill: "I let Jack Do the Dew and I have been sitting on the toilet for ten minutes trying to get all the urine out. Put me down as a maybe."
by MC DDP October 18, 2009
 
7.
to smoke marijuana or use marijuana related products; named for The Twin's mountain dew can safe.
Stoner 1: hey bro, u tryyin to do the dew?
Stoner 2: of course bro, 420 is comin up.
Stoner 3: i got 5 on it
by the man named stan October 20, 2008