spring on

US /sprɪŋ ɑːn/
UK /sprɪŋ ɑːn/
"spring on" picture
1.

plotseling presenteren, overvallen met

to suddenly present something to someone, especially in a surprising or unexpected way

:
Don't spring that question on me now; I need time to think.
Val me nu niet aan met die vraag; ik heb tijd nodig om na te denken.
They decided to spring the news on him at the party.
Ze besloten hem het nieuws op het feest te vertellen.