1
general::
1. Move forward rapidly or act without restraint; also, continue something. For example, If you want to borrow the tractor, go ahead. This expression is often put as go ahead with, as in Are you going ahead with the house party? The term dates from the mid-1600s and gave rise to give the go-ahead, meaning "give permission to move or act in some way." 2. go ahead of. Make one's way to the front of, as in They went ahead of me to see the purser. [Mid-1700s]
American Heritage Idioms
2
general::
Phrase(s): go ahead (of someone or something)
to get in front of and proceed someone or something. • Please let me go ahead of you. • The car carrying the parade marshall went ahead of the others., Phrase(s): go ahead (with something)
1. to continue with something; to continue with plans to do something. • Can we go ahead with our party plans? • Let’s go ahead with it. 2. to carry something ahead. • Please go ahead with the baggage. I will meet you at the ticket counter. • Will you please go ahead with the cake? I will bring the ice cream in a minute., Phrase(s): Go ahead.
Please do it.; You have my permission and encouragement to do it. • Alice: I’m leaving. John: Go ahead. See if I care. • Jane: Can I put this one in the refrigerator? Sue: Sure. Go ahead.
McGrawhill's American Idioms And Phrasal Verbs