Trudge to first broken pram (5)
I believe the answer is:
tramp
'trudge' is the definition.
(I've seen this before)
'to first broken pram' is the wordplay.
'first' suggests taking the first letters.
'broken' indicates anagramming the letters.
The initial letter of 'to' is 't'.
'pram' is an anagram of 'ramp'.
't'+'ramp'='TRAMP'
(Other definitions for tramp that I've seen before include "A boat; a vagrant" , "Mendicant" , "The man on the street?" , "Vagrant - cargo ship" , "Trudge; vagrant" .)