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1. Traveling around a celestial body. The planets are in orbit around the sun, right?
2. Extremely happy. Penny's been in orbit since getting engaged last week. I don't think she's stopped smiling once!
3. Intoxicated or high. Do you remember last night at the bar at all? You were really in orbit!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
1. Lit. [of something] circling a heavenly body. (*Typically: be ~; put something [into] ~.) The moon is in orbit around the earth. They put the satellite into orbit.
2. Fig. ecstatic; thrilled; emotionally high. (*Typically: be ~.) Jane is in orbit about her new job. John went into orbit when he got the check in the mail.
3. Inf. intoxicated. After having six drinks all to herself, Julie was in orbit.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
Thrilled, delighted, as in Dean's in orbit over his son's success. This expression alludes to the successful launching into orbit of a satellite or other spacecraft. [Slang; late 1900s]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. mod. ecstatic; euphoric. She was just in orbit when she got the letter.
2. mod. alcohol or drug intoxicated. Gary is in orbit and can’t see a hole in a ladder.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.