Give up and Toss in

Give up verb - To give (something) over to the control or possession of another usually under duress.

Toss in and give up are semantically related In some cases you can replace term "Toss in" with "Give up", this phrasal verbs are similar.

Toss in verb - Add casually to a conversation.

Give up and toss in are semantically related in abide by topic. You can use "Give up" instead a verb "Toss in".