Small child makes slide (4)
I believe the answer is:
skid
'slide' is the definition.
('skid' can be a synonym of 'slide')
'small child' is the wordplay.
'small' becomes 's' (abbreviation - e.g. clothes size).
'child' becomes 'kid' ('kid' can be a synonym of 'child'**).
's'+'kid'='SKID'
'makes' is the link.
(Other definitions for skid that I've seen before include "Slide uncontrollably" , "go out of control" , "Swerve out of control" , "Slip, slide" , "Slide along without control" .)