Chip in
(PW)contribute in
We are all going to chip in and give the teacher gift.
(free)
1. To contribute money or labor: We all chipped in for beer.
2. To interrupt with comments; interject.
3. To put up chips or money as one's bet in poker and other games.
(dictionary)
Verb phrase
a. to contribute money or assistance; participate.
b. Games. to bet a chip or chips, as in poker.
c. to interrupt a conversation to say something; butt in: We all chipped in with our suggestions for the reunion.