double-booking

A social faux-pas wherein a person, usually male, will schedule two separate romantic encounters for the same day. Will eventually be discovered, generally when one date forces a delay of the next.

Jackie was pissed to discover that Andrew had been double-booking she and Elyse, and broke up with him right there.

double titfuck

The act of two girls pressing their racks together around a single penis and proceeding to rub it up and down with their breasts; works best if the girls are somewhat busty

Denise and Wendy gave me a double titfuck last night!

double tittyfuck double titjob double boobjob double boobfuck double boobiefuck double hooterhump

Double Date

(Noun)
A social engagement, like dinner, movies, etc., that two couples partake in.

A date that two couples go to.

(Verb: Double-date)
To partake in a double date.

(Noun)
"Hey, you want to take your boyfriend to a double date with me and my girlfriend?"

(Verb)
"Yeah, we double-dated with Nick and Maya, it was great."

Double-Cross

To break a promise in a way that harms the person with whom the deal was originally struck. To double-cross is to back-stab and to two-time.

Also, double-crossing can be merely 'ratting' someone out.

Vic was double-crossed by his friend Alan, who informed Nelson Fingers of the upcoming deal.

The Double Dow

The reverse of The Dowey Sandwich

A large pizza in between two fully basted turkeys.

Oh, no big deal just the Double Dow!

double down

to engage in risky behavior, especially when one is already in a dangerous situation.

This figurative usage as appearing in the Oxford English Dictionary is a meaningful explanation of “double down” other than the ubiquitous “to double the wager in exchange for only one additional card in Blackjack gambit” in every online dictionary.

Don’t try to double down the exposures of your retirement money in aggressive investments

It is the time to double down on the commitment of solar energy, rather than to scale back

HP is going to double down on Palm’s webOS

double bag it

To use two condoms at once.

John paused and remarked, "I bet she's got a cabbage patch snatch, you'd better double bag it."